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

01 July 2013      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               A Complete Physical Germanium-on-Silicon Quantum Dot Self-Assembly Process ▶     Amro Alkhatib, Ammar Nayfeh     Achieving quantum dot self-assembly at precise pre-defined locations is of vital interest. In this work, a novel physical method for producing germanium quantum dots on silicon …             Probing carrier lifetimes in photovoltaic materials using subsurface two-photon microscopy ▶     Edward S. Barnard, Eric T. Hoke, Stephen T. Connor et al.     Accurately measuring the bulk minority carrier lifetime is one of the greatest challenges in evaluating photoactive materials used in photovoltaic cells. One-photon time-resolved …             Innovative approach to the design of low-cost Zr-based BMG composites with good glass formation ▶     Jia-Lin Cheng, Guang Chen, Chain-Tsuan Liu et al.     The high manufacturing cost for metallic glasses hampers actual commercial applications of this class of fascinating materials. In this letter, the effect of oxygen impurity on …             Fast, exact, and non-destructive diagnoses of contact failures in nano-scale semiconductor device using conductive AFM ▶     ChaeHo Shin, Kyongjun Kim, JeongHoi Kim et al.     We fabricated a novel in-line conductive atomic force microscopy (C-AFM), which can analyze the resistive failures and examine process variance with an exact-positioning …             Symmetry-Defying Iron Pyrite (FeS2) Nanocrystals through Oriented Attachment ▶     Maogang Gong, Alec Kirkeminde, Shenqiang Ren     Iron pyrite (fool's gold, FeS2) is a promising earth abundant and environmentally benign semiconductor material that shows promise as a strong and broad absorber for photovoltaics …             Non-Engineered Nanoparticles of C60 ▶     Shigeru Deguchi, Sada-atsu Mukai, Hide Sakaguchi et al.     We discovered that rubbing bulk solids of C60 between fingertips generates nanoparticles including the ones smaller than 20 nm. Considering the difficulties usually associated …             Surface plasmon delocalization in silver nanoparticle aggregates revealed by subdiffraction supercontinuum hot spots ▶     Nicholas J. Borys, Eyal Shafran, John M. Lupton     The plasmonic resonances of nanostructured silver films produce exceptional surface enhancement, enabling reproducible single-molecule Raman scattering measurements. Supporting a …             ERRATUM: Three-Dimensional Volume Containing Multiple Two-Dimensional Information Patterns ▶     Hirotaka Nakayama, Atsushi Shiraki, Ryuji Hirayama et al.                 Extraordinary hall balance ▶     S. L. Zhang, Y. Liu, L. J. Collins-McIntyre et al.     Magnetoresistance (MR) effects are at the heart of modern information technology. However, future progress of giant and tunnelling MR based storage and logic devices is limited by …             Solution-Processed Flexible Fluorine-doped Indium Zinc Oxide Thin-Film Transistors Fabricated on Plastic Film at Low Temperature ▶     Jin-Suk Seo, Jun-Hyuck Jeon, Young Hwan Hwang et al.     Transparent flexible fluorine-doped indium zinc oxide (IZO:F) thin-film transistors (TFTs) were demonstrated using the spin-coating method of the metal fluoride precursor aqueous …             Nanocomposite based flexible ultrasensitive resistive gas sensor for chemical reactions studies ▶     Sadanand Pandey, Gopal K. Goswami, Karuna K. Nanda     Room temperature operation, low detection limit and fast response time are highly desirable for a wide range of gas sensing applications. However, the available gas sensors suffer …             Interfacial Properties of Bilayer and Trilayer Graphene on Metal Substrates ▶     Jiaxin Zheng, Yangyang Wang, Lu Wang et al.     One popular approach to prepare graphene is to grow them on transition metal substrates via chemical vapor deposition. By using the density functional theory with dispersion …             Ultrathin and lightweight microwave absorbers made of mu-near-zero metamaterials ▶     Shuomin Zhong, Sailing He     We present a theory of perfect absorption in a bilayer model composed of a mu-near-zero (MNZ) metamaterial (MM) absorbing layer on a metallic substrate. Our analytical solutions …             Enhancing graphene reinforcing potential in composites by hydrogen passivation induced dispersion ▶     Yingchao Yang, William Rigdon, Xinyu Huang et al.     To take full advantages of the structural uniqueness and exceptional properties of graphene as reinforcement in composites, harvesting well-dispersed graphene is essential. On the …             Highly Efficient Visible Light-Induced O2 Generation by Self-Assembled Nanohybrids of Inorganic Nanosheets and Polyoxometalate Nanoclusters ▶     Jayavant L. Gunjakar, Tae Woo Kim, In Young Kim et al.     Unusually high photocatalytic activity of visible light-induced O2 generation can be achieved by electrostatically-derived self-assembly between exfoliated Zn-Cr-LDH 2D nanosheets …             On the near-wall accumulation of injectable particles in the microcirculation: smaller is not better ▶     Tae-Rin Lee, Myunghwan Choi, Adrian M. Kopacz et al.     Although most nanofabrication techniques can control nano/micro particle (NMP) size over a wide range, the majority of NMPs for biomedical applications exhibits a diameter of …             Novel kinetic trapping in charged colloidal clusters due to self-induced surface charge organization ▶     Christian L. Klix, Ken-ichiro Murata, Hajime Tanaka et al.     Colloidal clusters are an unusual state of matter where tunable interactions enable a sufficient reduction in their degrees of freedom that their energy landscapes can become …             Fluorescent microscopy beyond diffraction limits using speckle illumination and joint support recovery ▶     Junhong Min, Jaeduck Jang, Dongmin Keum et al.     Structured illumination microscopy (SIM) breaks the optical diffraction limit by illuminating a sample with a series of line-patterned light. Recently, in order to alleviate the …             Ultrafast Energy Transfer in Ultrathin Organic Donor/Acceptor Blend ▶     Ajay Ram Srimath Kandada, Giulia Grancini, Annamaria Petrozza et al.     It is common knowledge that poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl-C61-butyric acid methyl ester (PCBM) blend, a prototype system for bulk heterojunction (BHJ) solar cells, …             Unraveling the Geometry Dependence of In-Nozzle Cavitation in High-Pressure Injectors ▶     Kyoung-Su Im, Seong-Kyun Cheong, Christopher F. Powell et al.     Cavitation is an intricate multiphase phenomenon that interplays with turbulence in fluid flows. It exhibits clear duality in characteristics, being both destructive and …             Dual functions of YF3:Eu3+ for improving photovoltaic performance of dye-sensitized solar cells ▶     Jihuai Wu, Jiangli Wang, Jianming Lin et al.     In order to enhance the photovoltaic performance of dye-sensitized solar cell (DSSC), a novel design is demonstrated by introducing rare-earth compound europium ion doped yttrium …             Mass-related inversion symmetry breaking and phonon self-energy renormalization in isotopically labeled AB-stacked bilayer graphene ▶     Paulo T. Araujo, Otakar Frank, Daniela L. Mafra et al.     A mass-related symmetry breaking in isotopically labeled bilayer graphene (2LG) was investigated during in-situ electrochemical charging of AB stacked (AB-2LG) and turbostratic …             Periodic Architecture for High Performance Shock Absorbing Composites ▶     Abha Misra, Praveen Kumar     A novel composite architecture consisting of a periodic arrangement of closely-spaced spheres of a stiff material embedded in a soft matrix is proposed for extremely high damping …             Exploiting design freedom in biaxial dielectrics to enable spatially overlapping optical instruments ▶     Alireza Akbarzadeh, Cheng-Wei Qiu, Aaron J. Danner     The optical behavior of gradient biaxial dielectrics has not been widely explored in the literature due to their complicated nature, but the extra degrees of freedom in the index …             Parametric spectro-temporal analyzer (PASTA) for real-time optical spectrum observation ▶     Chi Zhang, Jianbing Xu, P. C. Chui et al.     Real-time optical spectrum analysis is an essential tool in observing ultrafast phenomena, such as the dynamic monitoring of spectrum evolution. However, conventional method such …             A novel nanometric DNA thin film as a sensor for alpha radiation ▶     Atul Kulkarni, Byeonghoon Kim, Sreekantha Reddy Dugasani et al.     The unexpected nuclear accidents have provided a challenge for scientists and engineers to develop sensitive detectors, especially for alpha radiation. Due to the high linear …             Multiferroic Behavior in Elemental Selenium below 40 K: Effect of Electronic Topology ▶     Anirban Pal, Sharmila N. Shirodkar, Smita Gohil et al.     The quasi-one-dimensional, chiral crystal structure of Selenium has fascinating implications: we report simultaneous magnetic and ferroelectric order in single crystalline Se …             Strain sensitivity and durability in p-type and n-type organic thin-film transistors with printed silver electrodes ▶     Kenjiro Fukuda, Kenta Hikichi, Tomohito Sekine et al.     Mechanical flexibility and compatibility of printing processes are key advantage that organic electronic devices have over conventional inorganic devices. However, one of the …             STED microscope with Spiral Phase Contrast ▶     Marcel A. Lauterbach, Marc Guillon, Asma Soltani et al.     Stimulated Emission Depletion (STED) microscopy enables superresolution imaging of fluorescently marked nano-structures in vivo. Biological investigations are often hindered by …             Superconductivity in Topological Insulator Sb2Te3 Induced by Pressure ▶     J. Zhu, J. L. Zhang, P. P. Kong et al.     Topological superconductivity is one of most fascinating properties of topological quantum matters that was theoretically proposed and can support Majorana Fermions at the edge …             The hybrid lattice of KxFe2−ySe2: where superconductivity and magnetism coexist ▶     Despina Louca, Keeseong Park, Bing Li et al.     Much remains unknown of the microscopic origin of superconductivity in atomically disordered systems of amorphous alloys or in crystals riddled with defects. A manifestation of …             Two-photon interference between disparate sources for quantum networking ▶     A. R. McMillan, L. Labonté, A. S. Clark et al.     Quantum networks involve entanglement sharing between multiple users. Ideally, any two users would be able to connect regardless of the type of photon source they employ, provided …             Fault-tolerant quantum computation with a soft-decision decoder for error correction and detection by teleportation ▶     Hayato Goto, Hironori Uchikawa     Fault-tolerant quantum computation with quantum error-correcting codes has been considerably developed over the past decade. However, there are still difficult issues, …             Negative Quantum Capacitance Induced by Midgap States in Single-layer Graphene ▶     Lin Wang, Yang Wang, Xiaolong Chen et al.     We demonstrate that single-layer graphene (SLG) decorated with a high density of Ag adatoms displays the unconventional phenomenon of negative quantum capacitance. The Ag adatoms …             Spontaneous electrical charging of droplets by conventional pipetting ▶     Dongwhi Choi, Horim Lee, Do Jin Im et al.     We report that a droplet dispensed from a micropipette almost always has a considerable electrical charge of a magnitude dependent on the constituents of the droplet, on …             Desmosine-Inspired Cross-Linkers for Hyaluronan Hydrogels ▶     Valentin Hagel, Markus Mateescu, Alexander Southan et al.     We designed bioinspired cross-linkers based on desmosine, the cross-linker in natural elastin, to prepare hydrogels with thiolated hyaluronic acid. These short, rigid …             Proton Radiography Peers into Metal Solidification ▶     Amy Clarke, Seth Imhoff, Paul Gibbs et al.     Historically, metals are cut up and polished to see the structure and to infer how processing influences the evolution. We can now peer into a metal during processing without …             Robustness to noise in synchronization of complex networks ▶     Arturo Buscarino, Lucia Valentina Gambuzza, Maurizio Porfiri et al.     In this report, we investigate dynamical robustness of a complex network to noise injected through one of its nodes. We focus on synchronization of coupled nonlinear systems and, …             Preserving the Edge Magnetism of Zigzag Graphene Nanoribbons by Ethylene Termination: Insight by Clar's Rule ▶     Yafei Li, Zhen Zhou, Carlos R. Cabrera et al.     By means of density functional theory computations, we demonstrated that C2H4 is the ideal terminal group for zigzag graphene nanoribbons (zGNRs) in terms of preserving the edge …             General and Facile Surface Functionalization of Hydrophobic Nanocrystals with Poly(amino acid) for Cell Luminescence Imaging ▶     Sheng Huang, Min Bai, Leyu Wang     Hydrophobic nanocrystals with various shape, size, and chemical composition were successfully functionalized by poly(amino acid) with one particle per micelle without aggregation …             Magnetoelectric coupling in the paramagnetic state of a metal-organic framework ▶     W. Wang, L. -Q. Yan, J. -Z. Cong et al.     Although the magnetoelectric effects - the mutual control of electric polarization by magnetic fields and magnetism by electric fields, have been intensively studied in a large …             Unraveling dynamics of human physical activity patterns in chronic pain conditions ▶     Anisoara Paraschiv-Ionescu, Eric Buchser, Kamiar Aminian     Chronic pain is a complex disabling experience that negatively affects the cognitive, affective and physical functions as well as behavior. Although the interaction between …             Enhancement of Vibronic and Ground-State Vibrational Coherences in 2D Spectra of Photosynthetic Complexes ▶     Aurélia Chenu, Niklas Christensson, Harald F. Kauffmann et al.     A vibronic-exciton model is applied to investigate the recently proposed mechanism of enhancement of coherent oscillations due to mixing of electronic and nuclear degrees of …             Anatomical regulation of ice nucleation and cavitation helps trees to survive freezing and drought stress ▶     A. Lintunen, T. Hölttä, M. Kulmala     Water in the xylem, the water transport system of plants, is vulnerable to freezing and cavitation, i.e. to phase change from liquid to ice or gaseous phase. The former is a …             Evolution of Topological Surface States in Antimony Ultra-Thin Films ▶     Guanggeng Yao, Ziyu Luo, Feng Pan et al.     Based on an inverted bulk band order, antimony thin films presumably could become topological insulators if quantum confinement effect opens up a gap in the bulk bands. Coupling …             Piezoelectric two-dimensional nanosheets/anionic layer heterojunction for efficient direct current power generation ▶     Kwon-Ho Kim, Brijesh Kumar, Keun Young Lee et al.     Direct current (DC) piezoelectric power generator is promising for the miniaturization of a power package and self-powering of nanorobots and body-implanted devices. Hence, we …             TiO2 modified FeS Nanostructures with Enhanced Electrochemical Performance for Lithium-Ion Batteries ▶     Xianfu Wang, Qingyi Xiang, Bin Liu et al.     Anatase TiO2 modified FeS nanowires assembled by numerous nanosheets were synthesized by using a typical hydrothermal method. The carbon-free nanocoated composite electrodes …             Accurate determination of the vapor-liquid-solid contact line tension and the viability of Young equation ▶     Yawei Liu, Jianjun Wang, Xianren Zhang     In this work, we present a theoretical method to determine the line tension of nanodroplets on homogeneous substrates via decomposing the grand free energy into volume, interface …             Analogue Transformations in Physics and their Application to Acoustics ▶     C. García-Meca, S. Carloni, C. Barceló et al.     Transformation optics has shaped up a revolutionary electromagnetic design paradigm, enabling scientists to build astonishing devices such as invisibility cloaks. Unfortunately, …             Exact and efficient solution of the radiative transport equation for the semi-infinite medium ▶     André Liemert, Alwin Kienle     An accurate and efficient solution of the radiative transport equation is proposed for modeling the propagation of photons in the three-dimensional anisotropically scattering …             Metallic behaviour in SOI quantum wells with strong intervalley scattering ▶     V. T. Renard, I. Duchemin, Y. Niida et al.     The fundamental properties of valleys are recently attracting growing attention due to electrons in new and topical materials possessing this degree-of-freedom and recent …             Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene ▶     Weon-kyu Koh, Alexey Y. Koposov, John T. Stewart et al.     Colloidal nanocrystals (NCs) of lead chalcogenides are a promising class of tunable infrared materials for applications in devices such as photodetectors and solar cells. Such …             A TRPA1 antagonist reverts oxaliplatin-induced neuropathic pain ▶     Cristina Nativi, Roberta Gualdani, Elisa Dragoni et al.     Neuropathic pain (NeP) is generally considered an intractable problem, which becomes compelling in clinical practice when caused by highly effective chemotherapeutics, such as in …             The Boson peak in supercooled water ▶     Pradeep Kumar, K. Thor Wikfeldt, Daniel Schlesinger et al.     We perform extensive molecular dynamics simulations of the TIP4P/2005 model of water to investigate the origin of the Boson peak reported in experiments on supercooled water in …             Solution-processable graphene nanomeshes with controlled pore structures ▶     Xiluan Wang, Liying Jiao, Kaixuan Sheng et al.     Graphene nanomeshes (GNMs) which can be cheaply produced on a large scale and processed through wet approaches are important materials for various applications, including …             Polarisation control through an optical feedback technique and its application in precise measurements ▶     Wenxue Chen, Shulian Zhang, Xingwu Long     We present an anisotropic optical feedback technique for controlling light polarisation. The technique is based on the principle that the effective gain of a light mode is …             Conductivity of individual particles measured by a microscopic four-point-probe method ▶     Ling Sun, Jianjun Wang, Elmar Bonaccurso     We introduce a technique for measuring the conductivity of individual hybrid metal, semiconducting core-shell and full-metal conducting particles by a microscopic four-point probe …             Predicting future conflict between team-members with parameter-free models of social networks ▶     Núria Rovira-Asenjo, Tània Gumí, Marta Sales-Pardo et al.     Despite the well-documented benefits of working in teams, teamwork also results in communication, coordination and management costs, and may lead to personal conflict between team …             Strongly coupled slow-light polaritons in one-dimensional disordered localized states ▶     Jie Gao, Sylvain Combrie, Baolai Liang et al.     Cavity quantum electrodynamics advances the coherent control of a single quantum emitter with a quantized radiation field mode, typically piecewise engineered for the highest …             Optofluidic realization and retaining of cell–cell contact using an abrupt tapered optical fibre ▶     Hongbao Xin, Yao Zhang, Hongxiang Lei et al.     Studies reveal that there exists much interaction and communication between bacterial cells, with parts of these social behaviors depending on cell–cell contacts. The cell–cell …             Controlled cellular uptake and drug efficacy of nanotherapeutics ▶     Sungsook Ahn, Eunseok Seo, Kihean Kim et al.     Cellular uptake pathway of nanoparticle (NP) is different from that of free drugs. Therefore, NP-mediated nanotherapeutics can be designed to overcome the adverse effects of free …             Topological insulator bismuth selenide as a theranostic platform for simultaneous cancer imaging and therapy ▶     Juan Li, Fei Jiang, Bo Yang et al.     Employing theranostic nanoparticles, which combine both therapeutic and diagnostic capabilities in one dose, has promise to propel the biomedical field toward personalized …             Tunable electromagnetic environment for superconducting quantum bits ▶     P. J. Jones, J. A. M. Huhtamäki, J. Salmilehto et al.     We introduce a setup which realises a tunable engineered environment for experiments in circuit quantum electrodynamics. We illustrate this concept with the specific example of a …             Self-Biased 215MHz Magnetoelectric NEMS Resonator for Ultra-Sensitive DC Magnetic Field Detection ▶     Tianxiang Nan, Yu Hui, Matteo Rinaldi et al.     High sensitivity magnetoelectric sensors with their electromechanical resonance frequencies < 200 kHz have been recently demonstrated using magnetostrictive/piezoelectric …             Yoctowells as a simple model system for the encapsulation and controlled release of bioactive molecules ▶     Sheshanath V. Bhosale, Sidhanath V. Bhosale     The development of nanosized drug delivery systems to transport drugs to target cells, are promising tools to improve the drug therapeutic index. Transport systems should have a …             Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content ▶     H. X. Li, J. E. Gao, Y. Wu et al.     The glass-forming ability (GFA) of alloys with a high-solvent content such as soft magnetic Fe-based and Al-based alloys is usually limited due to strong formation of the …             Strongly Enhanced THz Emission caused by Localized Surface Charges in Semiconducting Germanium Nanowires ▶     Woo-Jung Lee, Jin Won Ma, Jung Min Bae et al.     A principal cause of THz emission in semiconductor nanostructures is deeply involved with geometry, which stimulates the utilization of indirect bandgap semiconductors for THz …             Immersion Condensation on Oil-Infused Heterogeneous Surfaces for Enhanced Heat Transfer ▶     Rong Xiao, Nenad Miljkovic, Ryan Enright et al.     Enhancing condensation heat transfer is important for broad applications from power generation to water harvesting systems. Significant efforts have focused on easy removal of the …             Microbial Oxidation of Fe2+ and Pyrite Exposed to Flux of Micromolar H2O2 in Acidic Media ▶     Yingqun Ma, Chuxia Lin     At an initial pH of 2, while abiotic oxidation of aqueous Fe2 was enhanced by a flux of H2O2 at micromolar concentrations, bio-oxidation of aqueous Fe2 could be impeded due to …             When Magnetic Catalyst Meets Magnetic Reactor: Etherification of FCC Light Gasoline as an Example ▶     Meng Cheng, Wenhua Xie, Baoning Zong et al.     The application of elaborately designed magnetic catalysts has long been limited to ease their separation from the products only. In this paper, we for the first time employed a …             Directionally Hiding Objects and Creating Illusions at Visible Wavelengths by Holography ▶     Qiluan Cheng, Kedi Wu, Yile Shi et al.     Invisibility devices have attracted considerable attentions in the last decade. In addition to invisibility cloaks, unidirectional invisibility systems such as carpet-like cloaks …             Coin state properties in quantum walks ▶     A. M. C. Souza, R. F. S. Andrade     Recent experimental advances have measured individual coin components in discrete time quantum walks, which have not received the due attention in most theoretical studies on the …             Giant photovoltaic effects driven by residual polar field within unit-cell-scale LaAlO3 films on SrTiO3 ▶     Haixing Liang, Long Cheng, Xiaofang Zhai et al.     For polar/nonpolar heterostructures, Maxwell's theory dictates that the electric potential in the polar components will increase divergently with the film thickness. For LaAlO3…             Plasmonic Amplification with Ultra-High Optical Gain at Room Temperature ▶     Ning Liu, Hong Wei, Jing Li et al.     Nanoplasmonic devices are promising for next generation information and communication technologies because of their capability to confine light at subwavelength scale and …             Barium: An Efficient Cathode Layer for Bulk-heterojunction Solar Cells ▶     Vinay Gupta, Aung Ko Ko Kyaw, Dong Hwan Wang et al.     We report Barium (Ba) cathode layer for bulk-heterojunction solar cells which enhanced the fill factor (FF) of p-DTS(FBTTh2)2/PC71BM BHJ solar cell up to 75.1%, one of the highest …             Experimental bound entanglement through a Pauli channel ▶     Elias Amselem, Muhammad Sadiq, Mohamed Bourennane     Understanding the characteristics of a quantum systems when affected by noise is one of the biggest challenges for quantum technologies. The general Pauli error channel is an …             Towards designing robust coupled networks ▶     Christian M. Schneider, Nuri Yazdani, Nuno A. M. Araújo et al.     Natural and technological interdependent systems have been shown to be highly vulnerable due to cascading failures and an abrupt collapse of global connectivity under initial …             Tuning of the Rashba effect in Pb quantum well states via a variable Schottky barrier ▶     Bartosz Slomski, Gabriel Landolt, Gustav Bihlmayer et al.     Spin-orbit interaction (SOI) in low-dimensional systems results in the fascinating property of spin-momentum locking. In a Rashba system the inversion symmetry normal to the plane …             Hydrodynamic instabilities provide a generic route to spontaneous biomimetic oscillations in chemomechanically active filaments ▶     Abhrajit Laskar, Rajeev Singh, Somdeb Ghose et al.     Non-equilibrium processes which convert chemical energy into mechanical motion enable the motility of organisms. Bundles of inextensible filaments driven by energy transduction of …             Chiral plasmonics of self-assembled nanorod dimers ▶     Wei Ma, Hua Kuang, Libing Wang et al.     Chiral nanoscale photonic systems typically follow either tetrahedral or helical geometries that require four or more different constituent nanoparticles. Smaller number of …             A Novel Role of Three Dimensional Graphene Foam to Prevent Heater Failure during Boiling ▶     Ho Seon Ahn, Ji Min Kim, Chibeom Park et al.     We report a novel boiling heat transfer (NBHT) in reduced graphene oxide (RGO) suspended in water (RGO colloid) near critical heat flux (CHF), which is traditionally the dangerous …             Metastability of anatase: size dependent and irreversible anatase-rutile phase transition in atomic-level precise titania ▶     Norifusa Satoh, Toshio Nakashima, Kimihisa Yamamoto     Since crystal phase dominantly affects the properties of nanocrystals, phase control is important for the applications. To demonstrate the size dependence in anatase-rutile phase …             Limited communication capacity unveils strategies for human interaction ▶     Giovanna Miritello, Rubén Lara, Manuel Cebrian et al.     Connectivity is the key process that characterizes the structural and functional properties of social networks. However, the bursty activity of dyadic interactions may hinder the …             Parallel fabrication of magnetic tunnel junction nanopillars by nanosphere lithography ▶     W. G. Wang, A. Pearse, M. Li et al.     We present a new method for fabricating magnetic tunnel junction nanopillars that uses polystyrene nanospheres as a lithographic template. Unlike the common approaches, which …             Antiperiodic oscillations ▶     Joana G. Freire, Cecilia Cabeza, Arturo Marti et al.     The investigation of regular and irregular patterns in nonlinear oscillators is an outstanding problem in physics and in all natural sciences. In general, regularity is understood …             Are collapse models testable with quantum oscillating systems? The case of neutrinos, kaons, chiral molecules ▶     M. Bahrami, S. Donadi, L. Ferialdi et al.     Collapse models provide a theoretical framework for understanding how classical world emerges from quantum mechanics. Their dynamics preserves (practically) quantum linearity for …             Simple and effective graphene laser processing for neuron patterning application ▶     Matteo Lorenzoni, Fernando Brandi, Silvia Dante et al.     A straightforward fabrication technique to obtain patterned substrates promoting ordered neuron growth is presented. Chemical vapor deposition (CVD) single layer graphene (SLG) …             Breakup and then makeup: a predictive model of how cilia self-regulate hardness for posture control ▶     Promode R. Bandyopadhyay, Joshua C. Hansen     Functioning as sensors and propulsors, cilia are evolutionarily conserved organelles having a highly organized internal structure. How a paramecium's cilium produces …             New-concept Batteries Based on Aqueous Li+/Na+ Mixed-ion Electrolytes ▶     Liang Chen, Qingwen Gu, Xufeng Zhou et al.     Rechargeable batteries made from low-cost and abundant materials operating in safe aqueous electrolytes are attractive for large-scale energy storage. Sodium-ion battery is …             Facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free eletrocatalysts for oxygen reduction reaction ▶     In-Yup Jeon, Hyun-Jung Choi, Min Choi et al.     A series of edge-selectively halogenated (X=Cl, Br, I) graphene nanoplatelets (XGnPs=ClGnP, BrGnP, IGnP) were prepared simply by ball-milling graphite in the presence of Cl2, …             Highly Sensitive and Selective Gas Sensor Using Hydrophilic and Hydrophobic Graphenes ▶     Surajit Some, Yang Xu, Youngmin Kim et al.     New hydrophilic 2D graphene oxide (GO) nanosheets with various oxygen functional groups were employed to maintain high sensitivity in highly unfavorable environments (extremely …             Wetting on flexible hydrophilic pillar-arrays ▶     Quanzi Yuan, Ya-Pu Zhao     Dynamic wetting on the flexible hydrophilic pillar-arrays is studied using large scale molecular dynamics simulations. For the first time, the combined effect of the surface …             Intrinsic radiative lifetime derived via absorption cross section of one-dimensional excitons ▶     Shaoqiang Chen, Masahiro Yoshita, Akira Ishikawa et al.     Intrinsic radiative lifetime is an essential physical property of low-dimensional excitons that represents their optical transition rate and wavefunction, which directly measures …             Synthesis and luminescence mechanism of multicolor-emitting g-C3N4 nanopowders by low temperature thermal condensation of melamine ▶     Yuanhao Zhang, Qiwen Pan, Guanqi Chai et al.     Graphite like C3N4 (g-C3N4) was synthesized facilely via the low temperature thermal condensation of melamine between 300–650°C. The results showed that the products maintained as …             Surface code implementation of block code state distillation ▶     Austin G. Fowler, Simon J. Devitt, Cody Jones     State distillation is the process of taking a number of imperfect copies of a particular quantum state and producing fewer better copies. Until recently, the lowest overhead …             Three-dimensional volume containing multiple two-dimensional information patterns ▶     Hirotaka Nakayama, Atsushi Shiraki, Ryuji Hirayama et al.     We have developed an algorithm for recording multiple gradated two-dimensional projection patterns in a single three-dimensional object. When a single pattern is observed, …             Tunable Spin-orbit Coupling and Quantum Phase Transition in a Trapped Bose-Einstein Condensate ▶     Yongping Zhang, Gang Chen, Chuanwei Zhang     Spin-orbit coupling (SOC), the intrinsic interaction between a particle spin and its motion, is responsible for various important phenomena, ranging from atomic fine structure to …             Facile preparation of hierarchically porous carbons from metal-organic gels and their application in energy storage ▶     Wei Xia, Bin Qiu, Dingguo Xia et al.     Porous carbon materials have numerous applications due to their thermal and chemical stability, high surface area and low densities. However, conventional preparing porous carbon …             A submicron broadband surface-plasmon-polariton unidirectional coupler ▶     Huimin Liao, Zhi Li, Jianjun Chen et al.     The manipulation of light propagation is a basic subject in optics and has many important applications. With the development of nano-optics, this area has been downscaled to …             High-performance flexible electrochromic device based on facile semiconductor-to-metal transition realized by WO3·2H2O ultrathin nanosheets ▶     Lin Liang, Jiajia Zhang, Yingying Zhou et al.     Ultrathin nanosheets are considered as one kind of the most promising candidates for the fabrication of flexible electrochromic devices (ECDs) due to their permeable channels, …             Metabolic scaling in solid tumours ▶     E. Milotti, V. Vyshemirsky, M. Sega et al.     Tumour metabolism is an outstanding topic of cancer research, as it determines the growth rate and the global activity of tumours. 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