Scientific Reports Physics Table of Contents e-alert: August 2013

01 August 2013      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports           Just one of the many high-quality articles that Frontiers in Physics has to offer:   Grand challenges in computational physics (open access) In this article, Kay Hamacher focuses on an orthogonal question: what are the challenges in computational physics method-wise?           Physical Sciences               A novel method for a multi-level hierarchical composite with brick-and-mortar structure ▶     Kristina Brandt, Michael F. H. Wolff, Vitalij Salikov et al.     The fascination for hierarchically structured hard tissues such as enamel or nacre arises from their unique structure-properties-relationship. During the last decades this …             Threshold-limited spreading in social networks with multiple initiators ▶     P. Singh, S. Sreenivasan, B. K. Szymanski et al.     A classical model for social-influence-driven opinion change is the threshold model. Here we study cascades of opinion change driven by threshold model dynamics in the case where …             Crystallization-aided extraordinary plastic deformation in nanolayered crystalline Cu/amorphous Cu-Zr micropillars ▶     J. Y. Zhang, G. Liu, J. Sun     Metallic glasses are lucrative engineering materials owing to their superior mechanical properties such as high strength and great elastic strain. However, the Achilles' heel of …             Nonvolatile multilevel data storage memory device from controlled ambipolar charge trapping mechanism ▶     Ye Zhou, Su-Ting Han, Prashant Sonar et al.     The capability of storing multi-bit information is one of the most important challenges in memory technologies. An ambipolar polymer which intrinsically has the ability to …             Copper Nanowires as Fully Transparent Conductive Electrodes ▶     Huizhang Guo, Na Lin, Yuanzhi Chen et al.     In pondering of new promising transparent conductors to replace the cost rising tin-doped indium oxide (ITO), metal nanowires have been widely concerned. Herein, we demonstrate an …             Scalable One-pot Bacteria-templating Synthesis Route toward Hierarchical, Porous-Co3O4 Superstructures for Supercapacitor Electrodes ▶     Hyun-Woo Shim, Ah-Hyeon Lim, Jae-Chan Kim et al.     Template-driven strategy has been widely used to synthesize inorganic nano/micro materials. Here, we used a bottom-up controlled synthesis route to develop a powerful …             A self-cleaning underwater superoleophobic mesh for oil-water separation ▶     Lianbin Zhang, Yujiang Zhong, Dongkyu Cha et al.     Oil–water separation has recently become a global challenging task because of the frequent occurrence of oil spill accidents due to the offshore oil production and transportation, …             Affinity flow fractionation of cells via transient interactions with asymmetric molecular patterns ▶     Suman Bose, Rishi Singh, Mikhail Hanewich-Hollatz et al.     Flow fractionation of cells using physical fields to achieve lateral displacement finds wide applications, but its extension to surface molecule-specific separation requires …             Force produced after stretch in sarcomeres and half-sarcomeres isolated from skeletal muscles ▶     Fábio C. Minozzo, Bruno M. Baroni, José A. Correa et al.     The goal of this study was to evaluate if isolated sarcomeres and half-sarcomeres produce a long-lasting increase in force after a stretch is imposed during activation. Single and …             The edge- and basal-plane-specific electrochemistry of a single-layer graphene sheet ▶     Wenjing Yuan, Yu Zhou, Yingru Li et al.     Graphene has a unique atom-thick two-dimensional structure and excellent properties, making it attractive for a variety of electrochemical applications, including …             Highly directional bottom-up 3D nanoantenna for visible light ▶     L. Tong, T. Pakizeh, L. Feuz et al.     Controlling light at the nanoscale is of fundamental importance and is essential for applications ranging from optical sensing and metrology to information processing, …             Carbon inverse opal entrapped with electrode active nanoparticles as high-performance anode for lithium-ion batteries ▶     Xin Huang, Jing Chen, Ziyang Lu et al.     Enhancing ion and electron transport kinetics together with improving cycle life are important issues to be considered when developing high-performance Li ion batteries. Here we …             Enhanced Hot-Carrier Luminescence in Multilayer Reduced Graphene Oxide Nanospheres ▶     Qi Chen, Chunfeng Zhang, Fei Xue et al.     We report a method to promote photoluminescence emission in graphene materials by enhancing carrier scattering instead of directly modifying band structure in multilayer reduced …             Quantum key distribution session with 16-dimensional photonic states ▶     S. Etcheverry, G. Cañas, E. S. Gómez et al.     The secure transfer of information is an important problem in modern telecommunications. Quantum key distribution (QKD) provides a solution to this problem by using individual …             Inherent polarization entanglement generated from a monolithic semiconductor chip ▶     Rolf T. Horn, Piotr Kolenderski, Dongpeng Kang et al.     Creating miniature chip scale implementations of optical quantum information protocols is a dream for many in the quantum optics community. This is largely because of the promise …             Between Scylla and Charybdis: Hydrophobic Graphene-Guided Water Diffusion on Hydrophilic Substrates ▶     Jin-Soo Kim, Jin Sik Choi, Mi Jung Lee et al.     The structure of water confined in nanometer-sized cavities is important because, at this scale, a large fraction of hydrogen bonds can be perturbed by interaction with the …             CO2-based in-line phase contrast imaging of small intestine in mice ▶     Rongbiao Tang, Wei-Xia Li, Wei Huang et al.     The objective of this study was to explore the potential of CO2 single contrast in-line phase contrast imaging (PCI) for pre-clinical small intestine investigation. The absorption …             Capturing intercellular sugar-mediated ligand-receptor recognitions via a simple yet highly biospecific interfacial system ▶     Zhen Li, Si-Si Deng, Yi Zang et al.     Intercellular ligand-receptor recognitions are crucial natural interactions that initiate a number of biological and pathological events. We present here the simple construction …             Surface Structure Dependent Electrocatalytic Activity of Co3O4 Anchored on Graphene Sheets toward Oxygen Reduction Reaction ▶     Junwu Xiao, Qin Kuang, Shihe Yang et al.     Catalytic activity is primarily a surface phenomenon, however, little is known about Co3O4 nanocrystals in terms of the relationship between the oxygen reduction reaction (ORR) …             Voltage-current properties of superconducting amorphous tungsten nanostrips ▶     Yi Sun, Jian Wang, Weiwei Zhao et al.     The voltage-current (V-I) characteristics of tungsten (W) strips patterned by focused-ion-beam assisted deposition were studied at different temperatures and various magnetic …             Size-controlled conformal nanofabrication of biotemplated three-dimensional TiO2 and ZnO nanonetworks ▶     Hakan Ceylan, Cagla Ozgit-Akgun, Turan S. Erkal et al.     A solvent-free fabrication of TiO2 and ZnO nanonetworks is demonstrated by using supramolecular nanotemplates with high coating conformity, uniformity, and atomic scale size …             Biological soliton in multicellular movement ▶     Hidekazu Kuwayama, Shuji Ishida     Solitons have been observed in various physical phenomena. Here, we show that the distinct characteristics of solitons are present in the mass cell movement of non-chemotactic …             Rapid on-site/in-situ detection of heavy metal ions in environmental water using a structure-switching DNA optical biosensor ▶     Feng Long, Anna Zhu, Hanchang Shi et al.     A structure-switching DNA optical biosensor for rapid on-site/in situ detection of heavy metal ions is reported. Mercury ions (Hg2), highly toxic and ubiquitous pollutants, were …             Prefrontal cortical microcircuits bind perception to executive control ▶     Ioan Opris, Lucas Santos, Greg A. Gerhardt et al.     During the perception-to-action cycle, our cerebral cortex mediates the interactions between the environment and the perceptual-executive systems of the brain. At the top of the …             On chip shapeable optical tweezers ▶     C. Renaut, B. Cluzel, J. Dellinger et al.     Particles manipulation with optical forces is known as optical tweezing. While tweezing in free space with laser beams was established in the 1980s, integrating the optical …             Emerging superconductivity hidden beneath charge-transfer insulators ▶     Yoshiharu Krockenberger, Hiroshi Irie, Osamu Matsumoto et al.     In many of today's most interesting materials, strong interactions prevail upon the magnetic moments, the electrons, and the crystal lattice, forming strong links between these …             Integrating giant microwave absorption with magnetic refrigeration in one multifunctional intermetallic compound of LaFe11.6Si1.4C0.2H1.7 ▶     Ning-Ning Song, Ya-Jiao Ke, Hai-Tao Yang et al.     Both microwave absorption and magnetocaloric effect (MCE) are two essential performances of magnetic materials. We observe that LaFe11.6Si1.4C0.2H1.7 intermetallic compound …             Multiple exciton generation in nano-crystals revisited: Consistent calculation of the yield based on pump-probe spectroscopy ▶     Khadga J. Karki, Fei Ma, Kaibo Zheng et al.     Multiple exciton generation (MEG) is a process in which more than one exciton is generated upon the absorption of a high energy photon, typically higher than two times the band …             Whole-cell phase contrast imaging at the nanoscale using Fresnel Coherent Diffractive Imaging Tomography ▶     Michael W. M. Jones, Grant A. van Riessen, Brian Abbey et al.     X-ray tomography can provide structural information of whole cells in close to their native state. Radiation-induced damage, however, imposes a practical limit to image …             Bandgap Opening by Patterning Graphene ▶     Marc Dvorak, William Oswald, Zhigang Wu     Owing to its remarkable electronic and transport properties, graphene has great potential of replacing silicon for next-generation electronics and optoelectronics; but its zero …             Direct Prototyping of Patterned Nanoporous Carbon: A Route from Materials to On-chip Devices ▶     Caiwei Shen, Xiaohong Wang, Wenfeng Zhang et al.     Prototyping of nanoporous carbon membranes with three-dimensional microscale patterns is significant for integration of such multifunctional materials into various miniaturized …             Mass fabrication and delivery of 3D multilayer μTags into living cells ▶     Lisa Y. Chen, Kokab B. Parizi, Hisanori Kosuge et al.     Continuous monitoring of in vivo biological processes and their evolution at the cellular level would enable major advances in our understanding of biology and disease. As a …             Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident ▶     Masahiro Hosoda, Shinji Tokonami, Hirofumi Tazoe et al.     Radionuclide concentrations in environmental samples such as surface soils, plants and water were evaluated by high purity germanium detector measurements. The contribution rate …             Optimising a vortex fluidic device for controlling chemical reactivity and selectivity ▶     Lyzu Yasmin, Xianjue Chen, Keith A. Stubbs et al.     A vortex fluidic device (VFD) involving a rapidly rotating tube open at one end forms dynamic thin films at high rotational speed for finite sub-millilitre volumes of liquid, with …             Solid-State High Performance Flexible Supercapacitors Based on Polypyrrole-MnO2-Carbon Fiber Hybrid Structure ▶     Jiayou Tao, Nishuang Liu, Wenzhen Ma et al.     A solid-state flexible supercapacitor (SC) based on organic-inorganic composite structure was fabricated through an “in situ growth for conductive wrapping” and an electrode …             Femtosecond Laser Processing by Using Patterned Vector Optical Fields ▶     Kai Lou, Sheng-Xia Qian, Zhi-Cheng Ren et al.     We present and demonstrate an approach for femtosecond laser processing by using patterned vector optical fields (PVOFs) composed of multiple individual vector optical fields. The …             Ferroelectric Polarization in Nanocrystalline Hydroxyapatite Thin Films on Silicon ▶     S. B. Lang, S. A. M. Tofail, A. L. Kholkin et al.     Hydroxyapatite nanocrystals in natural form are a major component of bone- a known piezoelectric material. Synthetic hydroxyapatite is widely used in bone grafts and prosthetic …             Perfect crystals grown from imperfect interfaces ▶     Claudiu V. Falub, Mojmír Meduňa, Daniel Chrastina et al.     The fabrication of advanced devices increasingly requires materials with different properties to be combined in the form of monolithic heterostructures. In practice this means …             A direct thin-film path towards low-cost large-area III-V photovoltaics ▶     Rehan Kapadia, Zhibin Yu, Hsin-Hua H. Wang et al.     III-V photovoltaics (PVs) have demonstrated the highest power conversion efficiencies for both single- and multi-junction cells. However, expensive epitaxial growth substrates, …             Controllable Disorder in a Hybrid Nanoelectronic System: Realization of a Superconducting Diode ▶     Shun-Tsung Lo, Kuang Yao Chen, Sheng-Di Lin et al.     We have studied a hybrid nanoelectronic system which consists of an AlGaAs/GaAs two-dimensional electron gas (2DEG) in close proximity (~70 nm) to an Al superconducting nanofilm. …             Competitive Binding of Natural Amphiphiles with Graphene Derivatives ▶     Slaven Radic, Nicholas K. Geitner, Ramakrishna Podila et al.     Understanding the transformation of graphene derivatives by natural amphiphiles is essential for elucidating the biological and environmental implications of this emerging class …             Development and Evaluation of New Coupling System for Lower Limb Prostheses with Acoustic Alarm System ▶     Arezoo Eshraghi, Noor Azuan Abu Osman, Hossein Gholizadeh et al.     Individuals with lower limb amputation need a secure suspension system for their prosthetic devices. A new coupling system was developed that is capable of suspending the …             Fast and accurate automated cell boundary determination for fluorescence microscopy ▶     Stephen Hugo Arce, Pei-Hsun Wu, Yiider Tseng     Detailed measurement of cell phenotype information from digital fluorescence images has the potential to greatly advance biomedicine in various disciplines such as patient …             A patterned recombinant human IgM guides neurite outgrowth of CNS neurons ▶     Xiaohua Xu, Nathan J. Wittenberg, Luke R. Jordan et al.     Matrix molecules convey biochemical and physical guiding signals to neurons in the central nervous system (CNS) and shape the trajectory of neuronal fibers that constitute neural …             Make Caffeine Visible: a Fluorescent Caffeine “Traffic Light” Detector ▶     Wang Xu, Tae-Hyeong Kim, Duanting Zhai et al.     Caffeine has attracted abundant attention due to its extensive existence in beverages and medicines. However, to detect it sensitively and conveniently remains a challenge, …             Direct nitrogen fixation at the edges of graphene nanoplatelets as efficient electrocatalysts for energy conversion ▶     In-Yup Jeon, Hyun-Jung Choi, Myung Jong Ju et al.     Nitrogen fixation is essential for the synthesis of many important chemicals (e.g., fertilizers, explosives) and basic building blocks for all forms of life (e.g., nucleotides for …             Functionalized Single-Walled Carbon Nanotube-Based Fuel Cell Benchmarked Against US DOE 2017 Technical Targets ▶     Neetu Jha, Palanisamy Ramesh, Elena Bekyarova et al.     Chemically modified single-walled carbon nanotubes (SWNTs) with varying degrees of functionalization were utilized for the fabrication of SWNT thin film catalyst support layers …             Sulfide Solid Electrolyte with Favorable Mechanical Property for All-Solid-State Lithium Battery ▶     Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago     All-solid-state secondary batteries that employ inorganic solid electrolytes are desirable because they are potentially safer than conventional batteries. The ionic conductivities …             Wave modes of collective vortex gyration in dipolar-coupled-dot-array magnonic crystals ▶     Dong-Soo Han, Andreas Vogel, Hyunsung Jung et al.     Lattice vibration modes are collective excitations in periodic arrays of atoms or molecules. These modes determine novel transport properties in solid crystals. Analogously, in …             In-Situ Formation of Cobalt-Phosphate Oxygen-Evolving Complex-Anchored Reduced Graphene Oxide Nanosheets for Oxygen Reduction Reaction ▶     Zhi-Gang Zhao, Jing Zhang, Yinyin Yuan et al.     Oxygen conversion process between O2 and H2O by means of electrochemistry or photochemistry has lately received a great deal of attention. Cobalt-phosphate (Co-Pi) catalyst is a …             High-Performance Flexible Waveguiding Photovoltaics ▶     Chun-Hsien Chou, Jui-Kang Chuang, Fang-Chung Chen     The use of flat-plane solar concentrators is an effective approach toward collecting sunlight economically and without sun trackers. The optical concentrators are, however, …             Molecule-displacive ferroelectricity in organic supramolecular solids ▶     Heng-Yun Ye, Yi Zhang, Shin-ichiro Noro et al.     Ferroelectricity is essential to many forms of current technology, ranging from sensors and actuators to optical or memory devices. In this circumstance, organic ferroelectrics …             Ruthenium nanocrystals as cathode catalysts for lithium-oxygen batteries with a superior performance ▶     Bing Sun, Paul Munroe, Guoxiu Wang     The key factor to improve the electrochemical performance of Li-O2 batteries is to find effective cathode catalysts to promote the oxygen reduction and oxygen evolution reactions. …             Quantum confinement-induced tunable exciton states in graphene oxide ▶     Dongwook Lee, Jiwon Seo, Xi Zhu et al.     Graphene oxide has recently been considered to be a potential replacement for cadmium-based quantum dots due to its expected high fluorescence. Although previously reported, the …             Time-resolved dynamics of granular matter by random laser emission ▶     Viola Folli, Neda Ghofraniha, Andrea Puglisi et al.     Because of the huge commercial importance of granular systems, the second-most used material in industry after water, intersecting the industry in multiple trades, like pharmacy …             Tracking 3D Picometer-Scale Motions of Single Nanoparticles with High-Energy Electron Probes ▶     Naoki Ogawa, Kentaro Hoshisashi, Hiroshi Sekiguchi et al.     We observed the high-speed anisotropic motion of an individual gold nanoparticle in 3D at the picometer scale using a high-energy electron probe. Diffracted electron tracking …             Demonstration of beam steering via dipole-coupled plasmonic spiral antenna ▶     Guanghao Rui, Don C. Abeysinghe, Robert L. Nelson et al.     Optical antennas have been utilized to tailor the emission properties of nanoscale emitters in terms of the intensity, directivity and polarization. In this letter, we further …             Nanocontainers made of Various Materials with Tunable Shape and Size ▶     Xianglong Zhao, Guowen Meng, Fangming Han et al.     Nanocontainers have great potentials in targeted drug delivery and nanospace-confined reactions. However, the previous synthetic approaches exhibited limited control over the …             Enhanced Open-Circuit Voltage of PbS Nanocrystal Quantum Dot Solar Cells ▶     Woojun Yoon, Janice E. Boercker, Matthew P. Lumb et al.     Nanocrystal quantum dots (QD) show great promise toward improving solar cell efficiencies through the use of quantum confinement to tune absorbance across the solar spectrum and …             H2O2-responsive molecularly engineered polymer nanoparticles as ischemia/reperfusion-targeted nanotherapeutic agents ▶     Dongwon Lee, Soochan Bae, Donghyun Hong et al.     The main culprit in the pathogenesis of ischemia/reperfusion (I/R) injury is the overproduction of reactive oxygen species (ROS). Hydrogen peroxide (H2O2), the most abundant form …             Nanosensor dosimetry of mouse blood proteins after exposure to ionizing radiation ▶     Dokyoon Kim, Francesco Marchetti, Zuxiong Chen et al.     Giant magnetoresistive (GMR) nanosensors provide a novel approach for measuring protein concentrations in blood for medical diagnosis. Using an in vivo mouse radiation model, we …             Biphasic catalysis using amphiphilic polyphenols-chelated noble metals as highly active and selective catalysts ▶     Hui Mao, Hong Yu, Jing Chen et al.     In the field of catalysis, it is highly desired to develop novel catalysts that combine the advantages of both homogeneous and heterogeneous catalysts. Here we disclose that the …             Antiferromagnetic FeSe monolayer on SrTiO3: The charge doping and electric field effects ▶     Fawei Zheng, Zhigang Wang, Wei Kang et al.     By growing monolayer FeSe on SrTiO3(001) surface, researchers obtain the highest superconducting transition-temperature for iron-based superconductor. Here, we study the …             Efficient Fabrication of Nanoporous Si and Si/Ge Enabled by a Heat Scavenger in Magnesiothermic Reactions ▶     Wei Luo, Xingfeng Wang, Colin Meyers et al.     Magnesiothermic reduction can directly convert SiO2 into Si nanostructures. Despite intense efforts, efficient fabrication of highly nanoporous silicon by Mg still remains a …             Orientation Dependent Thermal Conductance in Single-Layer MoS2 ▶     Jin-Wu Jiang, Xiaoying Zhuang, Timon Rabczuk     We investigate the thermal conductivity in the armchair and zigzag MoS2 nanoribbons, by combining the non-equilibrium Green's function approach and the first-principles method. A …             Experimental violation and reformulation of the Heisenberg's error-disturbance uncertainty relation ▶     So-Young Baek, Fumihiro Kaneda, Masanao Ozawa et al.     The uncertainty principle formulated by Heisenberg in 1927 describes a trade-off between the error of a measurement of one observable and the disturbance caused on another …             Magnetostrictive thin films for microwave spintronics ▶     D. E. Parkes, L. R. Shelford, P. Wadley et al.     Multiferroic composite materials, consisting of coupled ferromagnetic and piezoelectric phases, are of great importance in the drive towards creating faster, smaller and more …             Floquet bound states in the continuum ▶     Stefano Longhi, Giuseppe Della Valle     Quantum mechanics predicts that certain stationary potentials can sustain bound states with an energy buried in the continuous spectrum of scattered states, the so-called bound …             Quantum internet using code division multiple access ▶     Jing Zhang, Yu-xi Liu, Şahin Kaya Özdemir et al.     A crucial open problem inS large-scale quantum networks is how to efficiently transmit quantum data among many pairs of users via a common data-transmission medium. We propose a …             Key concepts behind forming-free resistive switching incorporated with rectifying transport properties ▶     Yao Shuai, Xin Ou, Wenbo Luo et al.     This work reports the effect of Ti diffusion on the bipolar resistive switching in Au/BiFeO3/Pt/Ti capacitor-like structures. Polycrystalline BiFeO3 thin films are deposited by …             Exploring the limits of community detection strategies in complex networks ▶     Rodrigo Aldecoa, Ignacio Marín     The characterization of network community structure has profound implications in several scientific areas. Therefore, testing the algorithms developed to establish the optimal …             Local dynamics in decision making: The evolution of preference within and across decisions ▶     Denis O'Hora, Rick Dale, Petri T. Piiroinen et al.     Within decisions, perceived alternatives compete until one is preferred. Across decisions, the playing field on which these alternatives compete evolves to favor certain …             Forecasting large aftershocks within one day after the main shock ▶     Takahiro Omi, Yosihiko Ogata, Yoshito Hirata et al.     Forecasting the aftershock probability has been performed by the authorities to mitigate hazards in the disaster area after a main shock. However, despite the fact that most of …             Walkable Dual Emissions ▶     Hai-Bing Xu, Peng-Chong Jiao, Bin Kang et al.     Walkable dual emissions, in which the emission bands of the walker reversibly cross or leave those of the stationary ones depending on temperature and concentration, have been …             Atomic level observation of octahedral distortions at the perovskite oxide heterointerface ▶     Ryotaro Aso, Daisuke Kan, Yuichi Shimakawa et al.     For perovskite oxides, ABO3, slight octahedral distortions have close links to functional properties. While perovskite oxide heterostructures offer a good platform for controlling …             Do scientists trace hot topics? ▶     Tian Wei, Menghui Li, Chensheng Wu et al.     Do scientists follow hot topics in their scientific investigations? In this paper, by performing analysis to papers published in the American Physical Society (APS) Physical …             Large-Scale, Three–Dimensional, Free–Standing, and Mesoporous Metal Oxide Networks for High–Performance Photocatalysis ▶     Hua Bai, Xinshi Li, Chao Hu et al.     Mesoporous nanostructures represent a unique class of photocatalysts with many applications, including splitting of water, degradation of organic contaminants, and reduction of …             A Plasmonic based Ultracompact Polarization Beam Splitter on Silicon-on-Insulator Waveguides ▶     Qilong Tan, Xuguang Huang, Wen Zhou et al.     An ultracompact polarization beam splitter (PBS) is designed on silicon-on-insulator (SOI) platform based on the localized surface plasmons (LSPs) excited by particular …             Zn- and Mg- Containing Tricalcium Phosphates-Based Adjuvants for Cancer Immunotherapy ▶     Xiupeng Wang, Xia Li, Kazuo Onuma et al.     Zn-, and Mg-containing tricalcium phosphates (TCPs) loaded with a hydrothermal extract of a human tubercle bacillus (HTB) were prepared by immersing Zn-TCP and Mg-TCP in …             Duality of liquids ▶     K. Trachenko, V. V. Brazhkin     Liquids flow, and in this sense are close to gases. At the same time, interactions in liquids are strong as in solids. The combination of these two properties is believed to be …             Capillary flow of amorphous metal for high performance electrode ▶     Se Yun Kim, Suk Jun Kim, Sang Soo Jee et al.     Metallic glass (MG) assists electrical contact of screen-printed silver electrodes and leads to comparable electrode performance to that of electroplated electrodes. For high …             First experimental demonstration of an isotropic electromagnetic cloak with strict conformal mapping ▶     Yungui Ma, Yichao Liu, Lu Lan et al.     In the past years quasi-conformal mapping has been generally used to design broadband electromagnetic cloaks. However, this technique has some inherit practical limitations such …             Extreme alien light allows survival of terrestrial bacteria ▶     Neil Johnson, Guannan Zhao, Felipe Caycedo et al.     Photosynthetic organisms provide a crucial coupling between the Sun's energy and metabolic processes supporting life on Earth. Searches for extraterrestrial life focus on seeking …             Improved network community structure improves function prediction ▶     Juyong Lee, Steven P. Gross, Jooyoung Lee     We are overwhelmed by experimental data, and need better ways to understand large interaction datasets. While clustering related nodes in such networks—known as community …             Mimicking cellular transport mechanism in stem cells through endosomal escape of new peptide-coated quantum dots ▶     Karthikeyan Narayanan, Swee Kuan Yen, Qingqing Dou et al.     Protein transport is an important phenomenon in biological systems. Proteins are transported via several mechanisms to reach their destined compartment of cell for its complete …             Topological Quantum Phase Transition in Synthetic Non-Abelian Gauge Potential: Gauge Invariance and Experimental Detections ▶     Fadi Sun, Xiao-Lu Yu, Jinwu Ye et al.     The method of synthetic gauge potentials opens up a new avenue for our understanding and discovering novel quantum states of matter. We investigate the topological quantum phase …             Erythrocyte-derived photo-theranostic agents: hybrid nano-vesicles containing indocyanine green for near infrared imaging and therapeutic applications ▶     Baharak Bahmani, Danielle Bacon, Bahman Anvari     Development of theranostic nano-constructs may enable diagnosis and treatment of diseases at high spatial resolution. Some key requirements for clinical translation of such …             Large Linear Magnetoresistance and Shubnikov-de Hass Oscillations in Single Crystals of YPdBi Heusler Topological Insulators ▶     Wenhong Wang, Yin Du, Guizhou Xu et al.     We report the observation of a large linear magnetoresistance (MR) and Shubnikov-de Hass (SdH) quantum oscillations in single crystals of YPdBi Heusler topological insulators. …             Two-Dimensional β-MnO2 Nanowire Network with Enhanced Electrochemical Capacitance ▶     Chengzhen Wei, Huan Pang, Bo Zhang et al.     Conventional crystalline β-MnO2 usually exhibits poor electrochemical activities due to the narrow tunnels in its rutile-type structure. In this study, we synthesized a novel 2D …             From superhydrophobicity to icephobicity: forces and interaction analysis ▶     Vahid Hejazi, Konstantin Sobolev, Michael Nosonovsky     The term “icephobicity” has emerged in the literature recently. An extensive discussion took place on whether the icephobicity is related to the superhydrophobicity, and the …             Ag nanoprisms with Ag2S attachment ▶     Shenglin Xiong, Baojuan Xi, Kang Zhang et al.     Triangular Ag nanoprisms are a type of most-studied noble-metal nanostructures over the past decade owing to their special structural architecture and outstanding optical and …             Collagen morphology and texture analysis: from statistics to classification ▶     Leila B. Mostaço-Guidolin, Alex C.-T. Ko, Fei Wang et al.     In this study we present an image analysis methodology capable of quantifying morphological changes in tissue collagen fibril organization caused by pathological conditions. …             Acoustic tweezing cytometry for live-cell subcellular modulation of intracellular cytoskeleton contractility ▶     Zhenzhen Fan, Yubing Sun, Di Chen et al.     Mechanical forces are critical to modulate cell spreading, contractility, gene expression, and even stem cell differentiation. Yet, existing tools that can apply controllable …             Specific Accumulation of Lipid Droplets in Hepatocyte Nuclei of PFOA-exposed BALB/c Mice ▶     Ling Wang, Yu Wang, Yong Liang et al.     Lipid droplets (LDs), which are important storage structures for neutral lipids and organelles of diverse functions, participate in various cellular activities. In this study, …             Two Fundamental Experimental Tests of Nonclassicality with Qutrits ▶     Johan Ahrens, Elias Amselem, Adán Cabello et al.     We report two fundamental experiments on three-level quantum systems (qutrits). The first one tests the simplest task for which quantum mechanics provides an advantage with …             Superparamagnetic iron oxide nanoparticles alter expression of obesity and T2D-associated risk genes in human adipocytes ▶     S. Sharifi, S. Daghighi, M. M. Motazacker et al.     Adipocytes hypertrophy is the main cause of obesity and its affliction such as type 2 diabetes (T2D). Since superparamagnetic iron oxide nanoparticles (SPIONs) are used for a wide …             Exact exchange-correlation potential of an ionic Hubbard model with a free surface ▶     V. Brosco, Z.-J. Ying, J. Lorenzana     In Kohn-Sham density functional theory (DFT) the interacting electron problem is mapped into a noninteracting problem in an effective potential vKS. It is known that the charge …             Global efficiency of local immunization on complex networks ▶     Laurent Hébert-Dufresne, Antoine Allard, Jean-Gabriel Young et al.     Epidemics occur in all shapes and forms: infections propagating in our sparse sexual networks, rumours and diseases spreading through our much denser social interactions, or …             Manipulation and assembly of small objects in liquid crystals by dynamical disorganizing effect of push-pull-azobenzene-dye ▶     Seiji Kurihara, Kazuhiro Ohta, Takahiro Oda et al.     The phase transition of a nematic liquid crystal containing a push-pull azobenzene dye could be induced efficiently during irradiation with visible light. The dynamical …             Electric moulding of dispersed lipid nanotubes into a nanofluidic device ▶     Hiroshi Frusawa, Tatsuhiko Manabe, Eri Kagiyama et al.     Hydrophilic nanotubes formed by lipid molecules have potential applications as platforms for chemical or biological events occurring in an attolitre volume inside a hollow …             Self-assembly of hierarchical MoSx/CNT nanocomposites (2<x<3): towards high performance anode materials for lithium ion batteries ▶     Yumeng Shi, Ye Wang, Jen It Wong et al.     Two dimension (2D) layered molybdenum disulfide (MoS2) has emerged as a promising candidate for the anode material in lithium ion batteries (LIBs). Herein, 2D MoSx (2 ≤ x ≤ 3) …             Rebound of a confined granular material: combination of a bouncing ball and a granular damper ▶     F. Pacheco-Vázquez, S. Dorbolo     A ball dropped over a solid surface bounces several times before a complete stop. The bouncing can be reduced by introducing a liquid into the ball; however, the first rebound …             Folded-Light-Path Colloidal Quantum Dot Solar Cells ▶     Ghada I. Koleilat, Illan J. Kramer, Chris T. O. Wong et al.     Colloidal quantum dot photovoltaics combine low-cost solution processing with quantum size-effect tuning to match absorption to the solar spectrum. Rapid advances have led to …             Controlled assembly of graphene-capped nickel, cobalt and iron silicides ▶     O. Vilkov, A. Fedorov, D. Usachov et al.     The unique properties of graphene have raised high expectations regarding its application in carbon-based nanoscale devices that could complement or replace traditional silicon …             Fundamental Analysis of Piezocatalysis Process on the Surfaces of Strained Piezoelectric Materials ▶     Matthew B. Starr, Xudong Wang     Recently, the strain state of a piezoelectric electrode has been found to impact the electrochemical activity taking place between the piezoelectric material and its solution …             Biopolymer-Activated Graphitic Carbon Nitride towards a Sustainable Photocathode Material ▶     Yuanjian Zhang, Zoë Schnepp, Junyu Cao et al.     Photoelectrochemical (PEC) conversion of solar light into chemical fuels is one of the most promising solutions to the challenge of sustainable energy. Graphitic carbon (IV) …             Crystal, magnetic, and electronic structures, and properties of new BaMnPnF (Pn=As, Sb, Bi) ▶     Bayrammurad Saparov, David J. Singh, Vasile O. Garlea et al.     New BaMnPnF (Pn=As, Sb, Bi) are synthesized by stoichiometric reaction of elements with BaF2. They crystallize in the P4/nmm space group, with the ZrCuSiAs-type structure, as …             New intrinsic mechanism on gum-like superelasticity of multifunctional alloys ▶     Jia-Peng Liu, Yan-Dong Wang, Yu-Lin Hao et al.     Ti-Nb-based Gum Metals exhibit extraordinary superelasticity with ultralow elastic modulus, superior strength and ductility, and a peculiar dislocation-free deformation behavior, …             Gap plasmon-based metasurfaces for total control of reflected light ▶     Anders Pors, Ole Albrektsen, Ilya P. Radko et al.     In the quest to miniaturise photonics, it is of paramount importance to control light at the nanoscale. We reveal the main physical mechanism responsible for operation of gap …             Understanding ultrafine nanodiamond formation using nanostructured explosives ▶     Vincent Pichot, Benedikt Risse, Fabien Schnell et al.     The detonation process is able to build new materials with a bottom-up approach. Diamond, the hardest material on earth, can be synthesized in this way. This unconventional …             Self-organization versus top-down planning in the evolution of a city ▶     Marc Barthelemy, Patricia Bordin, Henri Berestycki et al.     Interventions of central, top-down planning are serious limitations to the possibility of modelling the dynamics of cities. An example is the city of Paris (France), which during …             Ultrasound and pH Dually Responsive Polymer Vesicles for Anticancer Drug Delivery ▶     Wenqin Chen, Jianzhong Du     Recently, smart polymer vesicles have attracted increasing interest due to their endless potential applications such as tunable delivery vehicles for the treatment of degenerative …             Nanophotonic Filters and Integrated Networks in Flexible 2D Polymer Photonic Crystals ▶     Xuetao Gan, Hannah Clevenson, Cheng-Chia Tsai et al.     Polymers have appealing optical, biochemical, and mechanical qualities, including broadband transparency, ease of functionalization, and biocompatibility. However, their low …             Flexible surface acoustic wave resonators built on disposable plastic film for electronics and lab-on-a-chip applications ▶     Hao Jin, Jian Zhou, Xingli He et al.     Flexible electronics are a very promising technology for various applications. Several types of flexible devices have been developed, but there has been limited research on …             Determination of magnetic anisotropy constants in Fe ultrathin film on vicinal Si(111) by anisotropic magnetoresistance ▶     Jun Ye, Wei He, Qiong Wu et al.     The epitaxial growth of ultrathin Fe film on Si(111) surface provides an excellent opportunity to investigate the contribution of magnetic anisotropy to magnetic behavior. Here, …             Ultrafast single photon emitting quantum photonic structures based on a nano-obelisk ▶     Je-Hyung Kim, Young-Ho Ko, Su-Hyun Gong et al.     A key issue in a single photon source is fast and efficient generation of a single photon flux with high light extraction efficiency. Significant progress toward high-efficiency …             All-Versus-Nothing Proof of Einstein-Podolsky-Rosen Steering ▶     Jing-Ling Chen, Xiang-Jun Ye, Chunfeng Wu et al.     Einstein-Podolsky-Rosen steering is a form of quantum nonlocality intermediate between entanglement and Bell nonlocality. Although Schrödinger already mooted the idea in 1935, …             Large-scale and Rapid Synthesis of Disk-Shaped and Nano-Sized Graphene ▶     Chunyong He, San Ping Jiang, Pei Kang Shen     We synthesized disk-shaped and nano-sized graphene (DSNG) though a novel ion-exchange methodology. This new methodology is achieved by constructing metal ion/ion-exchange resin …             High levels of reactive oxygen species in gold nanoparticle-targeted cancer cells following femtosecond pulse irradiation ▶     Limor Minai, Daniella Yeheskely-Hayon, Dvir Yelin     Cancer cells could be locally damaged using specifically targeted gold nanoparticles and laser pulse irradiation, while maintaining minimum damage to nearby, particle-free tissue. …             Chemically Stable Proton Conducting Doped BaCeO3 -No More Fear to SOFC Wastes ▶     Ramaiyan Kannan, Kalpana Singh, Sukhdeep Gill et al.     Development of chemically stable proton conductors for solid oxide fuel cells (SOFCs) will solve several issues, including cost associated with expensive inter-connectors, and …             Ultrafast refractive index control of a terahertz graphene metamaterial ▶     Seung Hoon Lee, Jeongmook Choi, Hyeon-Don Kim et al.     Modulation of the refractive index of materials is elementary, yet it is crucial for the manipulation of electromagnetic waves. Relying on the inherent properties of natural …             Requirement of Dissonance in Assisted Optimal State Discrimination ▶     Fu-Lin Zhang, Jing-Ling Chen, L. C. Kwek et al.     A fundamental problem in quantum information is to explore what kind of quantum correlations is responsible for successful completion of a quantum information procedure. Here we …             Extremely Low Loss Phonon-Trapping Cryogenic Acoustic Cavities for Future Physical Experiments ▶     Serge Galliou, Maxim Goryachev, Roger Bourquin et al.     Low loss Bulk Acoustic Wave devices are considered from the point of view of the solid state approach as phonon-confining cavities. We demonstrate effective design of such …             Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications ▶     Kazumasa Iida, Jens Hänisch, Chiara Tarantini et al.     The recently discovered oxypnictide superconductor SmFeAs(O,F) is the most attractive material among the Fe-based superconductors due to its highest transition temperature of 56 K …             High performance, LED powered, waveguide based total internal reflection microscopy ▶     Srinivasan Ramachandran, Daniel A. Cohen, Arjan P. Quist et al.     Total internal reflection fluorescence (TIRF) microscopy is a rapidly expanding optical technique with excellent surface sensitivity and limited background fluorescence. …             Spiderweb deformation induced by electrostatically charged insects ▶     Victor Manuel Ortega-Jimenez, Robert Dudley     Capture success of spider webs has been associated with their microstructure, ornamentation, and wind-induced vibrations. Indirect evidence suggests that statically charged …             Hollow Microporous Organic Capsules ▶     Buyi Li, Xinjia Yang, Lingling Xia et al.     Fabrication of hollow microporous organic capsules (HMOCs) could be very useful because of their hollow and porous morphology, which combines the advantages of both microporous …             High-Density Three-Dimension Graphene Macroscopic Objects for High-Capacity Removal of Heavy Metal Ions ▶     Weiwei Li, Song Gao, Liqiong Wu et al.     The chemical vapor deposition (CVD) fabrication of high-density three-dimension graphene macroscopic objects (3D-GMOs) with a relatively low porosity has not yet been realized, …             Visualizing size-dependent deformation mechanism transition in Sn ▶     Lin Tian, Ju Li, Jun Sun et al.     Displacive deformation via dislocation slip and deformation twinning usually plays a dominant role in the plasticity of crystalline solids at room temperature. Here we report in …             Isolated nanographene crystals for nano-floating gate in charge trapping memory ▶     Rong Yang, Chenxin Zhu, Jianling Meng et al.     Graphene exhibits unique electronic properties, and its low dimensionality, structural robustness, and high work-function make it very promising as the charge storage media for …             First-principles prediction and experimental verification of glass-forming ability in Zr-Cu binary metallic glasses ▶     C. Y. Yu, X. J. Liu, J. Lu et al.     In the field of metallic materials with amorphous structures, it is vitally important to understand the glass formation and to predict glass-forming ability (GFA) in terms of …             Promising operational stability of high-efficiency organic light-emitting diodes based on thermally activated delayed fluorescence ▶     Hajime Nakanotani, Kensuke Masui, Junichi Nishide et al.     Organic light-emitting diodes (OLEDs) are attractive for next-generation displays and lighting applications because of their potential for high electroluminescence (EL) …             Lossless hybridization between photovoltaic and thermoelectric devices ▶     Kwang-Tae Park, Sun-Mi Shin, Abdullah S. Tazebay et al.     The optimal hybridization of photovoltaic (PV) and thermoelectric (TE) devices has long been considered ideal for the efficient harnessing solar energy. Our hybrid approach uses …             Identification of new pillared-layered carbon nitride materials at high pressure ▶     Ashkan Salamat, Malek Deifallah, Raul Quesada Cabrera et al.     The compression of the layered carbon nitride C6N9H3·HCl was studied experimentally and with density functional theory (DFT) methods. This material has a polytriazine imide …             Large-range Control of the Microstructures and Properties of Three-dimensional Porous Graphene ▶     Xiao Xie, Yilong Zhou, Hengchang Bi et al.     Graphene-based three-dimensional porous macrostructures are believed of great importance in various applications, e.g. supercapacitors, photovoltaic cells, sensors and …             How High Frequency Trading Affects a Market Index ▶     Dror Y. Kenett, Eshel Ben-Jacob, H. Eugene Stanley et al.     The relationship between a market index and its constituent stocks is complicated. While an index is a weighted average of its constituent stocks, when the investigated time scale …             Broadband light absorption enhancement in dye-sensitized solar cells with Au-Ag alloy popcorn nanoparticles ▶     Qi Xu, Fang Liu, Yuxiang Liu et al.     In this paper, we present an investigation on the use of Au-Ag alloy popcorn-shaped nanoparticles (NPs) to realise the broadband optical absorption enhancement of dye-sensitized …             Quantitative analysis of molecular-level DNA crystal growth on a 2D surface ▶     Junwye Lee, Shogo Hamada, Si Un Hwang et al.     Crystallization is an essential process for understanding a molecule's aggregation behavior. It provides basic information on crystals, including their nucleation and growth …             CORRIGENDUM: A cellulose liquid crystal motor: a steam engine of the second kind ▶     Yong Geng, Pedro Lúcio Almeida, Susete Nogueira Fernandes et al.                 A dynamically reconfigurable Fano metamaterial through graphene tuning for switching and sensing applications ▶     M. Amin, M. Farhat, H. Baǧcı     We report on a novel electrically tunable hybrid graphene-gold Fano resonator. The proposed metamaterial consists of a square graphene patch and a square gold frame. The …             Self-Organized and Cu-Coordinated Surface Linear Polymerization ▶     Qing Li, Jonathan R. Owens, Chengbo Han et al.     We demonstrate a controllable surface-coordinated linear polymerization of long-chain poly(phenylacetylenyl)s that are self-organized into a “circuit-board” pattern on a Cu(100) …             Enlarging photovoltaic effect: combination of classic photoelectric and ferroelectric photovoltaic effects ▶     Jingjiao Zhang, Xiaodong Su, Mingrong Shen et al.     Converting light energy to electrical energy in photovoltaic devices relies on the photogenerated electrons and holes separated by the built-in potential in semiconductors. …             In Vivo and Real-time Monitoring of Secondary Metabolites of Living Organisms by Mass Spectrometry ▶     Bin Hu, Lei Wang, Wen-Cai Ye et al.     Secondary metabolites are compounds that are important for the survival and propagation of animals and plants. Our current understanding on the roles and secretion mechanism of …             Synaptic transmission and the susceptibility of HIV infection to anti-viral drugs ▶     Natalia L. Komarova, David N. Levy, Dominik Wodarz     Cell-to-cell viral transmission via virological synapses has been argued to reduce susceptibility of the virus population to anti-viral drugs through multiple infection of cells, …                     • Careers & Jobs           naturejobs.com Science jobs of the week       Research Technician     EMBL (European Molecular Biology Laboratory)            Postdoctoral Researcher     The Ohio State University College of Medicine            Research Associate     UCL            Junior Research / Travel Fellowships     The Kay Kendall Leukaemia Fund            Research Associate, Basic Sciences     Fred Hutchinson Cancer Research Center            Research Asst I     MD Anderson Cancer Center            Post Doctoral Research Fellow     University of Canterbury, New Zealand            Junior Research Group     University of Tübingen, Faculty of Medicine            Clinical Trials Associate     Lunenfeld - Tanenbaum Research Institute            Researcher and Instructor     Koc University School of Medicine          No matter what your career stage, student, postdoc or senior scientist, you will find articles on naturejobs.com to help guide you in your science career. 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