Scientific Reports Physics Table of Contents e-alert: 13 October 2015

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13 October 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Fast optical cooling of a nanomechanical cantilever by a dynamical Stark-shift gate ▶     Leilei Yan, Jian-Qi Zhang, Shuo Zhang et al.     The efficient cooling of nanomechanical resonators is essential to exploration of quantum properties of the macroscopic or mesoscopic systems. We propose such a laser-cooling …             Super-radiant mode in InAs—monolayer–based Bragg structures ▶     G. Pozina, M. A. Kaliteevski, E. V. Nikitina et al.     We report direct experimental evidence of the collective super-radiant mode in Bragg structure containing 60 InAs monolayer-based quantum wells (QWs) periodically arranged in …             Quantifying the barrier lowering of ZnO Schottky nanodevices under UV light ▶     Ming-Yen Lu, Ming-Pei Lu, Shuen-Jium You et al.     In this study we measured the degrees to which the Schottky barrier heights (SBHs) are lowered in ZnO nanowire (NW) devices under illumination with UV light. We measured the I–V …             Enhanced orbital magnetic moments in magnetic heterostructures with interface perpendicular magnetic anisotropy ▶     Tetsuro Ueno, Jaivardhan Sinha, Nobuhito Inami et al.     We have studied the magnetic layer thickness dependence of the orbital magnetic moment in magnetic heterostructures to identify contributions from interfaces. Three different …             Lithium Sulfur Primary Battery with Super High Energy Density: Based on the Cauliflower-like Structured C/S Cathode ▶     Yiwen Ma, Hongzhang Zhang, Baoshan Wu et al.     The lithium-sulfur primary batteries, as seldom reported in the previous literatures, were developed in this work. In order to maximize its practical energy density, a novel …             Controllable Preparation of Ultrathin Sandwich-Like Membrane with Porous Organic Framework and Graphene Oxide for Molecular Filtration ▶     Yuanzhi Zhu, Danyun Xu, Qingshan Zhao et al.     Porous organic frameworks (POFs) based membranes have potential applications in molecular filtration, despite the lack of a corresponding study. This study reports an interesting …             Band Structure Engineering and Thermoelectric Properties of Charge-Compensated Filled Skutterudites ▶     Xiaoya Shi, Jiong Yang, Lijun Wu et al.     Thermoelectric properties of semiconductors are intimately related to their electronic band structure, which can be engineered via chemical doping. Dopant Ga in the …             A Fully Transparent Resistive Memory for Harsh Environments ▶     Po-Kang Yang, Chih-Hsiang Ho, Der-Hsien Lien et al.     A fully transparent resistive memory (TRRAM) based on Hafnium oxide (HfO2) with excellent transparency, resistive switching capability, and environmental stability is …             Designing ultrathin film composite membranes: the impact of a gutter layer ▶     Moon Kattula, Koushik Ponnuru, Lingxiang Zhu et al.     Industrial membranes comprised of a thin selective layer (<100 nm) requires a gutter layer (<100 nm) between the selective layer and the porous support to achieve high permeance …             Synthesis of ultrasmall Li–Mn spinel oxides exhibiting unusual ion exchange, electrochemical, and catalytic properties ▶     Yumi Miyamoto, Yoshiyuki Kuroda, Tsubasa Uematsu et al.     The efficient surface reaction and rapid ion diffusion of nanocrystalline metal oxides have prompted considerable research interest for the development of high functional …             A Stable Dual-wavelength Thulium-doped Fiber Laser at 1.9 μm Using Photonic Crystal Fiber ▶     M. R. K. Soltanian, H. Ahmad, A. Khodaie et al.     A stable dual-wavelength thulium-doped fiber laser operating at 1.9 μm using a short length of photonic crystal fiber (PCF) has been proposed and demonstrated. The photonics …             Reliable and cost effective design of intermetallic Ni2Si nanowires and direct characterization of its mechanical properties ▶     Seung Zeon Han, Joonhee Kang, Sung-Dae Kim et al.     We report that a single crystal Ni2Si nanowire (NW) of intermetallic compound can be reliably designed using simple three-step processes: casting a ternary Cu-Ni-Si alloy, …             The physical mechanism of magnetic field controlled magnetocaloric effect and magnetoresistance in bulk PrGa compound ▶     X. Q. Zheng, H. Wu, J. Chen et al.     The PrGa compound shows excellent performance on the magnetocaloric effect (MCE) and magnetoresistance (MR). The physical mechanism of MCE and MR in PrGa compound was …             Hierarchically structured nanowires on and nanosticks in ZnO microtubes ▶     C. M. Rivaldo-Gómez, G. A. Cabrera-Pasca, A. Zúñiga et al.     We report both coaxial core-shell structured microwires and ZnO microtubes with growth of nanosticks in the inner and nanowires on the outer surface as a novel hierarchical …             The development of pressure across membranes in Donnan systems ▶     Asher Ilani     The pressure that develops between the two sides of a Donnan system is equal to the difference between the osmotic values of the two solutions, even though permeant ions may …             Designed synthesis of double-stage two-dimensional covalent organic frameworks ▶     Xiong Chen, Matthew Addicoat, Enquan Jin et al.     Covalent organic frameworks (COFs) are an emerging class of crystalline porous polymers in which organic building blocks are covalently and topologically linked to form extended …             Theoretical investigation on the adsorption configuration and •OH-initiated photocatalytic degradation mechanism of typical atmospheric VOCs styrene onto (TiO2)n clusters ▶     Honghong Wang, Yuemeng Ji, Jiangyao Chen et al.     In this study, the adsorption mechanism and hydroxyl radical (•OH)-initiated photocatalytic degradation mechanism of styrene onto different (TiO2)n clusters were investigated …             Phase Diagram and Transformations of Iron Pentacarbonyl to nm Layered Hematite and Carbon-Oxygen Polymer under Pressure ▶     Young Jay Ryu, Minseob Kim, Choong-Shik Yoo     We present the phase diagram of Fe(CO)5, consisting of three molecular polymorphs (phase I, II and III) and an extended polymeric phase that can be recovered at ambient …             Structure, dynamics and stability of water/scCO2/mineral interfaces from ab initio molecular dynamics simulations ▶     Mal-Soon Lee, B. Peter McGrail, Roger Rousseau et al.     The boundary layer at solid-liquid interfaces is a unique reaction environment that poses significant scientific challenges to characterize and understand by experimentation …             Removal of oxygen demand and nitrogen using different particle-sizes of anthracite coated with nine kinds of LDHs for wastewater treatment ▶     Xiangling Zhang, Lu Guo, Yafen Wang et al.     This paper reports the application of anthracite particles of different sizes and coated with nine kinds of layered double hydroxides (LDHs) varying in MII–MIII cations, as …             Polarization: A Key Difference between Man-made and Natural Electromagnetic Fields, in regard to Biological Activity ▶     Dimitris J. Panagopoulos, Olle Johansson, George L. Carlo     In the present study we analyze the role of polarization in the biological activity of Electromagnetic Fields (EMFs)/Electromagnetic Radiation (EMR). All types of man-made …             Relationships between the resting-state network and the P3: Evidence from a scalp EEG study ▶     Fali Li, Tiejun Liu, Fei Wang et al.     The P3 is an important event-related potential that can be used to identify neural activity related to the cognitive processes of the human brain. However, the relationships, …             Pressure-Induced Amorphization of Small Pore Zeolites—the Role of Cation-H2O Topology and Anti-glass Formation ▶     Gil Chan Hwang, Tae Joo Shin, Douglas A. Blom et al.     Systematic studies of pressure-induced amorphization of natrolites (PIA) containing monovalent extra-framework cations (EFC) Li+, Na+, K+, Rb+, Cs+ allow us to assess the role of …             Current-limiting challenges for all-spin logic devices ▶     Li Su, Youguang Zhang, Jacques-Olivier Klein et al.     All-spin logic device (ASLD) has attracted increasing interests as one of the most promising post-CMOS device candidates, thanks to its low power, non-volatility and …             A facile and general route to synthesize silica-coated SERS tags with the enhanced signal intensity ▶     Youlin Zhang, Xiaokun Li, Bin Xue et al.     Silica-coated SERS tags have been attracting greater attention in recent years. However, the reported methods to synthesize these tags are tedious, and often subjected to the …             Omnidirectional, broadband light absorption using large-area, ultrathin lossy metallic film coatings ▶     Zhongyang Li, Edgar Palacios, Serkan Butun et al.     Resonant absorbers based on nanostructured materials are promising for variety of applications including optical filters, thermophotovoltaics, thermal emitters, and hot-electron …             The Dependence of Isothermal ω Precipitation on the Quenching Rate in a Metastable β-Ti Alloy ▶     Jing Chen, Wenlong Xiao, Matthew Simon Dargusch et al.     The precipitation behavior of the α strengthening phase in metastable β-Ti alloys is highly dependent on heat treatment parameters such as quenching rate, heating rate and ageing …             High-Efficiency Cooper-Pair Splitter in Quantum Anomalous Hall Insulator Proximity-Coupled with Superconductor ▶     Ying-Tao Zhang, Xinzhou Deng, Qing-Feng Sun et al.     The quantum entanglement between two qubits is crucial for applications in the quantum communication. After the entanglement of photons was experimentally realized, much effort …             Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly- and linearly- polarized photo-excitation ▶     Tianyu Ye, Han-Chun Liu, Zhuo Wang et al.     A comparative study of the radiation-induced magnetoresistance oscillations in the high mobility GaAs/AlGaAs heterostructure two dimensional electron system (2DES) under …             Two successive magneto-structural transformations and their relation to enhanced magnetocaloric effect for Ni55.8Mn18.1Ga26.1 Heusler alloy ▶     Zhe Li, Kun Xu, Yuanlei Zhang et al.     In the present work, two successive magneto-structural transformations (MSTs) consisting of martensitic and intermartensitic transitions have been observed in polycrystalline Ni…             Large-Scale Molecular Simulations on the Mechanical Response and Failure Behavior of a defective Graphene: Cases of 5–8–5 Defects ▶     Shuaiwei Wang, Baocheng Yang, Jinyun Yuan et al.     Understanding the effect of defects on mechanical responses and failure behaviors of a graphene membrane is important for its applications. As examples, in this paper, a family …             Mode division multiplexing using an orbital angular momentum mode sorter and MIMO-DSP over a graded-index few-mode optical fibre ▶     Hao Huang, Giovanni Milione, Martin P. J. Lavery et al.     Mode division multiplexing (MDM)– using a multimode optical fiber’s N spatial modes as data channels to transmit N independent data streams – has received interest as it can …             The mechanism of charge density wave in Pt-based layered superconductors: SrPt2As2 and LaPt2Si2 ▶     Sooran Kim, Kyoo Kim, B. I. Min     The intriguing coexistence of the charge density wave (CDW) and superconductivity in SrPt2As2 and LaPt2Si2 has been investigated based on the ab initio density functional theory …             Photo-reactive charge trapping memory based on lanthanide complex ▶     Jiaqing Zhuang, Wai-Sum Lo, Li Zhou et al.     Traditional utilization of photo-induced excitons is popularly but restricted in the fields of photovoltaic devices as well as photodetectors, and efforts on broadening its …             Self-transport and self-alignment of microchips using microscopic rain ▶     Bo Chang, Ali Shah, Quan Zhou et al.     Alignment of microchips with receptors is an important process step in the construction of integrated micro- and nanosystems for emerging technologies, and facilitating alignment …             Non-linear photochemical pathways in laser-induced atmospheric aerosol formation ▶     Denis Mongin, Jay G. Slowik, Elise Schubert et al.     We measured the chemical composition and the size distribution of aerosols generated by femtosecond-Terawatt laser pulses in the atmosphere using an aerosol mass spectrometer …             The transfer and transformation of collective network information in gene-matched networks ▶     Takashi Kitsukawa, Takeshi Yagi     Networks, such as the human society network, social and professional networks, and biological system networks, contain vast amounts of information. Information signals in …             Characterization of Pressure Transients Generated by Nanosecond Electrical Pulse (nsEP) Exposure ▶     Caleb C. Roth, Ronald A. Barnes Jr., Bennett L. Ibey et al.     The mechanism(s) responsible for the breakdown (nanoporation) of cell plasma membranes after nanosecond pulse (nsEP) exposure remains poorly understood. Current theories focus …             Erratum: Two-Aperture Microfluidic Probes as Flow Dipoles: Theory and Applications ▶     Mohammadali Safavieh, Mohammad A. Qasaimeh, Ali Vakil et al.                 Half-Metallic Behavior in Doped Sr2CrOsO6 Double Perovskite with High Transition Temperature ▶     Kartik Samanta, Prabuddha Sanyal, Tanusri Saha-Dasgupta     Half-metallic magnets with metallic behavior in one spin channel and insulating in the other, have attracted considerable attention due to their potential application …             A Giant Reconstruction of α-quartz (0001) Interpreted as Three Domains of Nano Dauphine Twins ▶     S. D. Eder, K. Fladischer, S. R. Yeandel et al.     Silica (SiO2) is one of the most common materials on Earth. The crystalline form α-quartz is the stable silica polymorph at ambient conditions although metastable forms exist. …             Corrigendum: Tailoring the strength and porosity of rapid-hardening magnesia phosphate paste via the pre-foaming method ▶     Li-Jie Liu, Jin-Hong Li, Xiang Wang et al.                 Origin of the structure-directing effect resulting in identical topological open-framework materials ▶     Liang Xin, Huai Sun, Ruren Xu et al.     In the synthesis of zeolites and related crystalline materials with open-frameworks, a single structure is obtained in the presence of many different templates, known as the …             A synchrotron study of microstructure gradient in laser additively formed epitaxial Ni-based superalloy ▶     Jiawei Xue, Anfeng Zhang, Yao Li et al.     Laser additive forming is considered to be one of the promising techniques to repair single crystal Ni-based superalloy parts to extend their life and reduce the cost. …             Co-doping of Ag into Mn:ZnSe Quantum Dots: Giving Optical Filtering effect with Improved Monochromaticity ▶     Zhiyang Hu, Shuhong Xu, Xiaojing Xu et al.     In optics, when polychromatic light is filtered by an optical filter, the monochromaticity of the light can be improved. In this work, we reported that Ag dopant atoms could be …             Oxygen Defect-Induced Metastability in Oxide Semiconductors Probed by Gate Pulse Spectroscopy ▶     Sungsik Lee, Arokia Nathan, Sanghun Jeon et al.     We investigate instability mechanisms in amorphous In-Ga-Zn-O transistors based on bias and illumination stress-recovery experiments coupled with analysis using stretched …             Visualization of air flow around soccer ball using a particle image velocimetry ▶     Sungchan Hong, Takeshi Asai, Kazuya Seo     A traditional soccer ball is constructed using 32 pentagonal and hexagonal panels. In recent years, however, the likes of the Teamgeist and Jabulani balls, constructed from 14 …             The thermodynamic cost of driving quantum systems by their boundaries ▶     Felipe Barra     The laws of thermodynamics put limits to the efficiencies of thermal machines. Analogues of these laws are now established for quantum engines weakly and passively coupled to the …             Circularly polarised phosphorescent photoluminescence and electroluminescence of iridium complexes ▶     Tian-Yi Li, Yi-Ming Jing, Xuan Liu et al.     Nearly all the neutral iridium complexes widely used as dopants in PhOLEDs are racemic mixtures; however, this study observed that these complexes can be separated into stable …             Magnetoelectric effects in the skyrmion host material Cu2OSeO3 ▶     E. Ruff, P. Lunkenheimer, A. Loidl et al.     Insulating helimagnetic Cu2OSeO3 shows sizeable magnetoelectric effects in its skyrmion phase. Using magnetization measurements, magneto-current analysis and dielectric …             Guiding SPPs with PT-symmetry ▶     Fan Yang, Zhong Lei Mei     The concept of parity-time (PT) symmetry in SPPs is proposed and confirmed for the first time in this work. By introducing periodic modulation of the effective refractive index …             In-plane chemical pressure essential for superconductivity in BiCh2-based (Ch: S, Se) layered structure ▶     Yoshikazu Mizuguchi, Akira Miura, Joe Kajitani et al.     BiCh2-based compounds (Ch: S, Se) are a new series of layered superconductors, and the mechanisms for the emergence of superconductivity in these materials have not yet been …             On-chip sub-terahertz surface plasmon polariton transmission lines in CMOS ▶     Yuan Liang, Hao Yu, Hao Chi Zhang et al.     A low-loss and low-crosstalk surface-wave transmission line (T-line) is demonstrated at sub-THz in CMOS. By introducing periodical sub-wavelength structures onto the metal …             Computational speed-up with a single qudit ▶     Z. Gedik, I. A. Silva, B. Çakmak et al.     Quantum algorithms are known for providing more efficient solutions to certain computational tasks than any corresponding classical algorithm. Here we show that a single qudit is …             Coupled Mechanisms of Precipitation and Atomization in Burning Nanofluid Fuel Droplets ▶     Ankur Miglani, Saptarshi Basu     Understanding the combustion characteristics of fuel droplets laden with energetic nanoparticles (NP) is pivotal for lowering ignition delay, reducing pollutant emissions and …             Polarization induced self-doping in epitaxial Pb(Zr0.20Ti0.80)O3 thin films ▶     Lucian Pintilie, Corneliu Ghica, Cristian Mihail Teodorescu et al.     The compensation of the depolarization field in ferroelectric layers requires the presence of a suitable amount of charges able to follow any variation of the ferroelectric …             A Unified Framework for Reservoir Computing and Extreme Learning Machines based on a Single Time-delayed Neuron ▶     S. Ortín, M. C. Soriano, L. Pesquera et al.     In this paper we present a unified framework for extreme learning machines and reservoir computing (echo state networks), which can be physically implemented using a single …             Cutoff lensing: predicting catalytic sites in enzymes ▶     Simon Aubailly, Francesco Piazza     Predicting function-related amino acids in proteins with unknown function or unknown allosteric binding sites in drug-targeted proteins is a task of paramount importance in …             Extensible byssus of Pinctada fucata: Ca2+-stabilized nanocavities and a thrombospondin-1 protein ▶     Chuang Liu, Shiguo Li, Jingliang Huang et al.     The extensible byssus is produced by the foot of bivalve animals, including the pearl oyster Pinctada fucata, and enables them to attach to hard underwater surfaces. However, the …             Direct patterning of organic conductors on knitted textiles for long-term electrocardiography ▶     Seiichi Takamatsu, Thomas Lonjaret, Dakota Crisp et al.     Wearable sensors are receiving a great deal of attention as they offer the potential to become a key technological tool for healthcare. In order for this potential to come to …             Ultrasensitive nonlinear absorption response of large-size topological insulator and application in low-threshold bulk pulsed lasers ▶     Jin-Long Xu, Yi-Jian Sun, Jing-Liang He et al.     Dirac-like topological insulators have attracted strong interest in optoelectronic application because of their unusual and startling properties. Here we report for the first …             Enzyme-linked DNA dendrimer nanosensors for acetylcholine ▶     Ryan Walsh, Jennifer M. Morales, Christopher G. Skipwith et al.     It is currently difficult to measure small dynamics of molecules in the brain with high spatial and temporal resolution while connecting them to the bigger picture of brain …             Observation of tunable nonlinear effects in an analogue of superconducting composite right/left hand filter ▶     Haiwen Liu, Jiuhuai Lei, Hao Jiang et al.     Artificial structures with negative permittivity or permeability have attracted significant attention in the science community because they provide a pathway for obtaining exotic …             Reversibly Switching Silver Hierarchical Structures via Reaction Kinetics ▶     Jianmei Liu, Tao Yang, Chengxiang Li et al.     Here we report a study on controllable synthesis of hierarchical silver structures via regulating reaction kinetics. Silver particles with various morphologies are synthesized by …             Nanoscale Graphene Disk: A Natural Functionally Graded Material–How is Fourier’s Law Violated along Radius Direction of 2D Disk ▶     Nuo Yang, Shiqian Hu, Dengke Ma et al.     In this Paper, we investigate numerically and analytically the thermal conductivity of nanoscale graphene disks (NGDs), and discussed the possibility to realize functionally …             Terahertz meets sculptural and architectural art: Evaluation and conservation of stone objects with T-ray technology ▶     K. Krügener, M. Schwerdtfeger, S. F. Busch et al.     Conservation of cultural heritage is an area where novel scientific techniques are having enormous impact. Given the value and uniqueness of art pieces, non-invasive diagnostic …             Unconventional pairings of spin-orbit coupled attractive degenerate Fermi gas in a one-dimensional optical lattice ▶     Junjun Liang, Xiaofan Zhou, Pak Hong Chui et al.     Understanding novel pairings in attractive degenerate Fermi gases is crucial for exploring rich superfluid physics. In this report, we reveal unconventional pairings induced by …             Switchable Ultrathin Quarter-wave Plate in Terahertz Using Active Phase-change Metasurface ▶     Dacheng Wang, Lingchao Zhang, Yinghong Gu et al.     Metamaterials open up various exotic means to control electromagnetic waves and among them polarization manipulations with metamaterials have attracted intense attention. As of …             On the self-damping nature of densification in photonic sintering of nanoparticles ▶     William MacNeill, Chang-Ho Choi, Chih-Hung Chang et al.     Sintering of nanoparticle inks over large area-substrates is a key enabler for scalable fabrication of patterned and continuous films, with multiple emerging applications. The …             Whispering-gallery nanocavity plasmon-enhanced Raman spectroscopy ▶     Jing Zhang, Jinxing Li, Shiwei Tang et al.     The synergy effect in nature could enable fantastic improvement of functional properties and associated effects. The detection performance of surface-enhanced Raman scattering …             Giant photovoltaic effect of ferroelectric domain walls in perovskite single crystals ▶     Ryotaro Inoue, Shotaro Ishikawa, Ryota Imura et al.     The photovoltaic (PV) effect in polar materials offers great potential for light-energy conversion that generates a voltage beyond the bandgap limit of present …             A three-dimensional spin-diffusion model for micromagnetics ▶     Claas Abert, Michele Ruggeri, Florian Bruckner et al.     We solve a time-dependent three-dimensional spin-diffusion model coupled to the Landau-Lifshitz-Gilbert equation numerically. The presented model is validated by comparison to …             In-situ epitaxial growth of graphene/h-BN van der Waals heterostructures by molecular beam epitaxy ▶     Zheng Zuo, Zhongguang Xu, Renjing Zheng et al.     Van der Waals materials have received a great deal of attention for their exceptional layered structures and exotic properties, which can open up various device applications in …             Microscopic basis for the band engineering of Mo1−xWxS2-based heterojunction ▶     Shoji Yoshida, Yu Kobayashi, Ryuji Sakurada et al.     Transition-metal dichalcogenide layered materials, consisting of a transition-metal atomic layer sandwiched by two chalcogen atomic layers, have been attracting considerable …             Exfoliation of large-area transition metal chalcogenide single layers ▶     Gábor Zsolt Magda, János Pető, Gergely Dobrik et al.     Isolating large-areas of atomically thin transition metal chalcogenide crystals is an important but challenging task. The mechanical exfoliation technique can provide single …             Simulating photoacoustic waves produced by individual biological particles with spheroidal wave functions ▶     Yong Li, Hui Fang, Changjun Min et al.     Under the usual approximation of treating a biological particle as a spheroidal droplet, we consider the analysis of its size and shape with the high frequency photoacoustics and …             Volcanic passive margins: another way to break up continents ▶     L. Geoffroy, E. B. Burov, P. Werner     Two major types of passive margins are recognized, i.e. volcanic and non-volcanic, without proposing distinctive mechanisms for their formation. Volcanic passive margins are …             Ultra-high-resolution 3D digitalized imaging of the cerebral angioarchitecture in rats using synchrotron radiation ▶     Meng-Qi Zhang, Luo Zhou, Qian-Fang Deng et al.     The angioarchitecture is a fundamental aspect of brain development and physiology. However, available imaging tools are unsuited for non-destructive cerebral mapping of the …             A combinatorial approach towards the design of nanofibrous scaffolds for chondrogenesis ▶     Maqsood Ahmed, Tiago André da Silva Ramos, Febriyani Damanik et al.     The extracellular matrix (ECM) is a three-dimensional (3D) structure composed of proteinaceous fibres that provide physical and biological cues to direct cell behaviour. Here, we …             Nanometer-size hard magnetic ferrite exhibiting high optical-transparency and nonlinear optical-magnetoelectric effect ▶     Shin-ichi Ohkoshi, Asuka Namai, Kenta Imoto et al.     Development of nanometer-sized magnetic particles exhibiting a large coercive field (Hc) is in high demand for densification of magnetic recording. Herein, we report a …             Reaching Consensus by Allowing Moments of Indecision ▶     A. Svenkeson, A. Swami     Group decision-making processes often turn into a drawn out and costly battle between two opposing subgroups. Using analytical arguments based on a master equation description of …             Nanowire CdS-CdTe Solar Cells with Molybdenum Oxide as Contact ▶     Hongmei Dang, Vijay P. Singh     Using a 10 nm thick molybdenum oxide (MoO3−x) layer as a transparent and low barrier contact to p-CdTe, we demonstrate nanowire CdS-CdTe solar cells with a power conversion …             Highly Effective Conductance Modulation in Planar Silicene Field Effect Devices Due to Buckling ▶     Feras Al-Dirini, Faruque M. Hossain, Mahmood A. Mohammed et al.     Silicene is an exciting two-dimensional material that shares many of graphene’s electronic properties, but differs in its structural buckling. This buckling allows opening a …             Size effects in the magnetic anisotropy of embedded cobalt nanoparticles: from shape to surface ▶     Simón Oyarzún, Alexandre Tamion, Florent Tournus et al.     Strong size-dependent variations of the magnetic anisotropy of embedded cobalt clusters are evidenced quantitatively by combining magnetic experiments and advanced data …             Thermal surface free energy and stress of iron ▶     Stephan Schönecker, Xiaoqing Li, Börje Johansson et al.     Absolute values of surface energy and surface stress of solids are hardly accessible by experiment. Here, we investigate the temperature dependence of both parameters for the …             Three-Dimensional (3D) Bicontinuous Hierarchically Porous Mn2O3 Single Crystals for High Performance Lithium-Ion Batteries ▶     Shao-Zhuan Huang, Jun Jin, Yi Cai et al.     Bicontinuous hierarchically porous Mn2O3 single crystals (BHP-Mn2O3-SCs) with uniform parallelepiped geometry and tunable sizes have been synthesized and used as anode materials …             Unusual spin dynamics in topological insulators ▶     Balázs Dóra, Ferenc Simon     The dynamic spin susceptibility (DSS) has a ubiquitous Lorentzian form around the Zeeman energy in conventional materials with weak spin orbit coupling, whose spectral width …             Microfluidic White Organic Light-Emitting Diode Based on Integrated Patterns of Greenish-Blue and Yellow Solvent-Free Liquid Emitters ▶     Naofumi Kobayashi, Takashi Kasahara, Tomohiko Edura et al.     We demonstrated a novel microfluidic white organic light-emitting diode (microfluidic WOLED) based on integrated sub-100-μm-wide microchannels. Single-μm-thick SU-8-based …             A Unified Material Description for Light Induced Deformation in Azobenzene Polymers ▶     Jonghoon Bin, William S. Oates     Complex light-matter interactions in azobenzene polymers have limited our understanding of how photoisomerization induces deformation as a function of the underlying polymer …             Direct Growth and Controlled Coalescence of Thick AlN Template on Micro-circle Patterned Si Substrate ▶     Binh Tinh Tran, Hideki Hirayama, Noritoshi Maeda et al.     High-density micro-circle patterned Si substrates were successfully fabricated for the direct overgrowth of thick AlN templates by using NH3 pulsed-flow multilayer AlN growth and …             Pulsed Near-IR Photoresponse in a Bi-metal Contacted Graphene Photodetector ▶     Xinghan Cai, Ryan J. Suess, H. Dennis Drew et al.     We use an ultra-fast near-infrared pulse coincidence technique to study the time, temperature, and power dependence of the photoresponse of a bi-metal contacted graphene …             Persistence and variation in microstructural design during the evolution of spider silk ▶     R. Madurga, T. A. Blackledge, B. Perea et al.     The extraordinary mechanical performance of spider dragline silk is explained by its highly ordered microstructure and results from the sequences of its constituent proteins. …             Non-alignment stagnation-point flow of a nanofluid past a permeable stretching/shrinking sheet: Buongiorno’s model ▶     Rohana Abdul Hamid, Roslinda Nazar, Ioan Pop     The paper deals with a stagnation-point boundary layer flow towards a permeable stretching/shrinking sheet in a nanofluid where the flow and the sheet are not aligned. We used …             Femtosecond X-ray absorption study of electron localization in photoexcited anatase TiO2 ▶     F. G. Santomauro, A. Lübcke, J. Rittmann et al.     Transition metal oxides are among the most promising solar materials, whose properties rely on the generation, transport and trapping of charge carriers (electrons and holes). …             Resolving Anomalies in Predicting Electrokinetic Energy Conversion Efficiencies of Nanofluidic Devices ▶     Sagardip Majumder, Jayabrata Dhar, Suman Chakraborty     We devise a new approach for capturing complex interfacial interactions over reduced length scales, towards predicting electrokinetic energy conversion efficiencies of …             Giant Dielectric Permittivity in Ferroelectric Thin Films: Domain Wall Ping Pong ▶     An Quan Jiang, Xiang Jian Meng, David Wei Zhang et al.     The dielectric permittivity in ferroelectric thin films is generally orders of magnitude smaller than in their bulk. Here, we discover a way of increasing dielectric constants in …             Feasibility of long-distance heart rate monitoring using transmittance photoplethysmographic imaging (PPGI) ▶     Robert Amelard, Christian Scharfenberger, Farnoud Kazemzadeh et al.     Photoplethysmography (PPG) devices are widely used for monitoring cardiovascular function. However, these devices require skin contact, which restricts their use to at-rest …             Efficient mass transport by optical advection ▶     Veerachart Kajorndejnukul, Sergey Sukhov, Aristide Dogariu     Advection is critical for efficient mass transport. For instance, bare diffusion cannot explain the spatial and temporal scales of some of the cellular processes. The regulation …             Antimicrobial activity of iron oxide nanoparticle upon modulation of nanoparticle-bacteria interface ▶     Manoranjan Arakha, Sweta Pal, Devyani Samantarrai et al.     Investigating the interaction patterns at nano-bio interface is a key challenge for safe use of nanoparticles (NPs) to any biological system. The study intends to explore the …             Controlled mud-crack patterning and self-organized cracking of polydimethylsiloxane elastomer surfaces ▶     Rian Seghir, Steve Arscott     Exploiting pattern formation – such as that observed in nature – in the context of micro/nanotechnology could have great benefits if coupled with the traditional top-down …             Facile Carbon Fixation to Performic Acids by Water-Sealed Dielectric Barrier Discharge ▶     Mitsuo Kawasaki, Tatsuo Morita, Kunihide Tachibana     Carbon fixation refers to the conversion of carbon dioxide (CO2) to organic materials, as commonly performed in nature through photosynthesis by plants and other autotrophic …             A Nanoparticle-based Sensor Platform for Cell Tracking and Status/Function Assessment ▶     David Yeo, Christian Wiraja, Yon Jin Chuah et al.     Nanoparticles are increasingly popular choices for labeling and tracking cells in biomedical applications such as cell therapy. 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