Scientific Reports Physics Table of Contents e-alert: 25 November 2014

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25 November 2014      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Shaping van der Waals nanoribbons via torsional constraints: Scrolls, folds and supercoils ▶     Alireza Shahabi, Hailong Wang, Moneesh Upmanyu     Interplay between structure and function in atomically thin crystalline nanoribbons is sensitive to their conformations yet the ability to prescribe them is a formidable …             CMOS-compatible 2-bit optical spectral quantization scheme using a silicon-nanocrystal-based horizontal slot waveguide ▶     Zhe Kang, Jinhui Yuan, Xianting Zhang et al.     All-optical analog-to-digital converters based on the third-order nonlinear effects in silicon waveguide are a promising candidate to overcome the limitation of electronic …             Experimental linear-optics simulation of multipartite non-locality in the ground state of a quantum Ising ring ▶     Adeline Orieux, Joelle Boutari, Marco Barbieri et al.     Critical phenomena involve structural changes in the correlations of its constituents. Such changes can be reproduced and characterized in quantum simulators able to tackle …             DNA Bases Thymine and Adenine in Bio-Organic Light Emitting Diodes ▶     Eliot F. Gomez, Vishak Venkatraman, James G. Grote et al.     We report on the use of nucleic acid bases (NBs) in organic light emitting diodes (OLEDs). NBs are small molecules that are the basic building blocks of the larger DNA polymer. …             High-temperature continuous-wave laser realized in hollow microcavities ▶     Zhifeng Shi, Yuantao Zhang, Xijun Cui et al.     Recently, an urgent requirement of ultraviolet (UV) semiconductor laser with lower cost and higher performance has motivated our intensive research in zinc oxide (ZnO) material …             Gradient Control of the Adhesive Force between Ti/TiO2 Nanotubular Arrays Fabricated by Anodization ▶     Minghui Zhao, Jidong Li, Yubao Li et al.     The poor control of the adhesion of TiO2 nanotubes (TNTs) layers to a non-anodized titanium (Ti) substrate has limited their widespread application, because the stripping …             New strategy to promote conversion efficiency using high-index nanostructures in thin-film solar cells ▶     DongLin Wang, Gang Su     Nano-scaled metallic or dielectric structures may provide various ways to trap light into thin-film solar cells for improving the conversion efficiency. In most schemes, the …             Conventional empirical law reverses in the phase transitions of 122-type iron-based superconductors ▶     Zhenhai Yu, Lin Wang, Luhong Wang et al.     Phase transition of solid-state materials is a fundamental research topic in condensed matter physics, materials science and geophysics. It has been well accepted and widely …             pentahexoctite: A new two-dimensional allotrope of carbon ▶     Babu Ram Sharma, Aaditya Manjanath, Abhishek K. Singh     The ability of carbon to exist in many forms across dimensions has spawned search in exploring newer allotropes consisting of either, different networks of polygons or rings. …             Rapid-Response Low Infrared Emission Broadband Ultrathin Plasmonic Light Absorber ▶     Giulia Tagliabue, Hadi Eghlidi, Dimos Poulikakos     Plasmonic nanostructures can significantly advance broadband visible-light absorption, with absorber thicknesses in the sub-wavelength regime, much thinner than conventional …             Cloning and characterization of wnt4a gene and evidence for positive selection in half-smooth tongue sole (Cynoglossus semilaevis) ▶     Qiaomu Hu, Ying Zhu, Yang Liu et al.     Wnt4 gene plays a role in developmental processes in mammals. However, little is known regarding its function in teleosts. We cloned and characterized the full-length half-smooth …             Heterogeneous Red Blood Cell Adhesion and Deformability in Sickle Cell Disease ▶     Yunus Alapan, Jane A. Little, Umut A. Gurkan     We present a microfluidic approach that allows simultaneous interrogation of RBC properties in physiological flow conditions at a single cell level. With this method, we studied …             Low Piconewton Towing of CNS Axons against Diffusing and Surface-Bound Repellents Requires the Inhibition of Motor Protein-Associated Pathways ▶     Devrim Kilinc, Agata Blasiak, James J. O'Mahony et al.     Growth cones, dynamic structures at axon tips, integrate chemical and physical stimuli and translate them into coordinated axon behaviour, e.g., elongation or turning. External …             Iterative Time-Reversed Ultrasonically Encoded Light Focusing in Backscattering Mode ▶     Haowen Ruan, Mooseok Jang, Benjamin Judkewitz et al.     The Time-Reversed Ultrasound-Encoded (TRUE) light technique enables noninvasive focusing deep inside scattering media. However, the time-reversal procedure usually has a low …             Assembly of luminescent ordered multilayer thin-films based on oppositely-charged MMT and magnetic NiFe-LDHs nanosheets with ultra-long lifetimes ▶     Meitang Liu, Tianlei Wang, Hongwen Ma et al.     In this present report, luminescent ordered multilayer thin films (OMFs) based on oppositely-charged inorganic nanosheets and the different oppositely-charged chromophores were …             Spatio-temporal coherence mapping of few-cycle vortex pulses ▶     R. Grunwald, T. Elsaesser, M. Bock     Light carrying an orbital angular momentum (OAM) displays an optical phase front rotating in space and time and a vanishing intensity, a so-called vortex, in the center. Beyond …             Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes ▶     Yuji Yamaguchi, Mitsuharu Suzuki, Takao Motoyama et al.     The vertical composition profile of active layer has a major effect on the performance of organic photovoltaic devices (OPVs). While stepwise deposition of different materials is …             Triple-Junction Hybrid Tandem Solar Cells with Amorphous Silicon and Polymer-Fullerene Blends ▶     Taehee Kim, Hyeok Kim, Jinjoo Park et al.     Organic-inorganic hybrid tandem solar cells attract a considerable amount of attention due to their potential for realizing high efficiency photovoltaic devices at a low cost. …             Enhancement of Thermoelectric Performance by Reducing Phonon Thermal Conductance in Multiple Core-shell Nanowires ▶     Wu-Xing Zhou, Ke-Qiu Chen     The thermoelectric properties of multiple core-shell nanowires are investigated by using nonequilibrium Green's function method and molecular dynamics simulations. The results …             Coalescence and Breakup of Oppositely Charged Droplets ▶     Junfeng Wang, Bin Wang, Huihe Qiu     The coalescence process of oppositely charged drops for different electrical conductivities of liquids is presented. When the electrical conductivity was relatively low, …             Impact of lattice distortion and electron doping on α-MoO3 electronic structure ▶     Peng-Ru Huang, Yao He, Chao Cao et al.     Band structure of transition metal oxides plays a critical role in many applications such as photo-catalysis, photovoltaics, and electroluminescent devices. In this work we …             A structured three-dimensional polymer electrolyte with enlarged active reaction zone for Li–O2 batteries ▶     Nadège Bonnet-Mercier, Raymond A. Wong, Morgan L. Thomas et al.     The application of conventional solid polymer electrolyte (SPE) to lithium-oxygen (Li–O2) batteries has suffered from a limited active reaction zone due to thick SPE and …             Ultrahigh-Q metallic nanocavity resonances with externally-amplified intracavity feedback ▶     Jae Woong Yoon, Seok Ho Song, Robert Magnusson     We propose a mechanism of ultrahigh-Q metallic nanocavity resonances that involves an efficient loss-compensation scheme favorable for room-temperature operation. We …             A Ruthenium(II) Complex Supported by Trithiacyclononane and Aromatic Diimine Ligand as Luminescent Switch-On Probe for Biomolecule Detection and Protein Staining ▶     Chun-Yuen Wong, Lai-Hon Chung, Sheng Lin et al.     A new ruthenium(II) complex has been developed for detection of biomolecules. This complex is highly selective for histidine over other amino acids and has been applied to …             Formation and post-formation dynamics of bacterial biofilm streamers as highly viscous liquid jets ▶     Siddhartha Das, Aloke Kumar     It has been recently reported that in presence of low Reynolds number (Re ≪ 1) transport, preformed bacterial biofilms, several hours after their formation, may degenerate in …             Asymmetric pathways in the electrochemical conversion reaction of NiO as battery electrode with high storage capacity ▶     Ulrike Boesenberg, Matthew A. Marcus, Alpesh K. Shukla et al.     Electrochemical conversion reactions of transition metal compounds create opportunities for large energy storage capabilities exceeding modern Li-ion batteries. However, for …             Different Inhibitory Effect and Mechanism of Hydroxyapatite Nanoparticles on Normal Cells and Cancer Cells In Vitro and In Vivo ▶     Yingchao Han, Shipu Li, Xianying Cao et al.     Hydroxyapatite (HAP), similar to inorganic phase in bones, shows good biocompatibility and bioactivity as bone defect repairing material. Recently, nanoscaled HAP shows the …             Exploring natural silk protein sericin for regenerative medicine: an injectable, photoluminescent, cell-adhesive 3D hydrogel ▶     Zheng Wang, Yeshun Zhang, Jinxiang Zhang et al.     Sericin, a major component of silk, has a long history of being discarded as a waste during silk processing. The value of sericin for tissue engineering is underestimated and its …             Cicada-inspired cell-instructive nanopatterned arrays ▶     Ting Diu, Nilofar Faruqui, Terje Sjöström et al.     Biocompatible surfaces hold key to a variety of biomedical problems that are directly related to the competition between host-tissue cell integration and bacterial colonisation. …             Cell death induced by ozone and various non-thermal plasmas: therapeutic perspectives and limitations ▶     Oleg Lunov, Vitalii Zablotskii, Olexander Churpita et al.     Non-thermal plasma has been recognized as a promising tool across a vast variety of biomedical applications, with the potential to create novel therapeutic methods. However, the …             New High Capacity Cathode Materials for Rechargeable Li-ion Batteries: Vanadate-Borate Glasses ▶     Semih Afyon, Frank Krumeich, Christian Mensing et al.     V2O5 based materials are attractive cathode alternatives due to the many oxidation state switches of vanadium bringing about a high theoretical specific capacity. However, …             Formation of quantum spin Hall state on Si surface and energy gap scaling with strength of spin orbit coupling ▶     Miao Zhou, Wenmei Ming, Zheng Liu et al.     For potential applications in spintronics and quantum computing, it is desirable to place a quantum spin Hall insulator [i.e., a 2D topological insulator (TI)] on a substrate …             Size effect model on kinetics of interfacial reaction between Sn-xAg-yCu solders and Cu substrate ▶     M. L. Huang, F. Yang     The downsizing of solder balls results in larger interfacial intermetallic compound (IMC) grains and less Cu substrate consumption in lead-free soldering on Cu substrates. This …             Synthetically chemical-electrical mechanism for controlling large scale reversible deformation of liquid metal objects ▶     Jie Zhang, Lei Sheng, Jing Liu     Reversible deformation of a machine holds enormous promise across many scientific areas ranging from mechanical engineering to applied physics. So far, such capabilities are …             Random sized plasmonic nanoantennas on Silicon for low-cost broad-band near-infrared photodetection ▶     Mohammad Amin Nazirzadeh, Fatih Bilge Atar, Berk Berkan Turgut et al.     In this work, we propose Silicon based broad-band near infrared Schottky barrier photodetectors. The devices operate beyond 1200 nm wavelength and exhibit photoresponsivity …             Surface Plasmon-Polariton Mediated Red Emission from Organic Light-Emitting Devices Based on Metallic Electrodes Integrated with Dual-Periodic Corrugation ▶     Yan-Gang Bi, Jing Feng, Yu-Shan Liu et al.     We demonstrate an effective approach to realize excitation and outcoupling of the SPP modes associated with both cathode/organic and anode/organic interfaces in OLEDs by …             Design of a superluminal ring laser gyroscope using multilayer optical coatings with huge group delay ▶     Tianliang Qu, Kaiyong Yang, Xiang Han et al.     We propose and analyze a superluminal ring laser gyroscope (RLG) using multilayer optical coatings with huge group delay (GD). This GD assisted superluminal RLG can measure the …             Orthogonality breaking induces extraordinary single-mode transparency in an elaborate waveguide with wall corrugations ▶     Zhi-Yong Tao, Ya-Xian Fan     Orthogonality plays a fundamental role in various mathematical theorems and in physics. The orthogonal eigenfunctions that represent the intrinsic motions of various physical …             Endogenous lung surfactant inspired pH responsive nanovesicle aerosols: Pulmonary compatible and site-specific drug delivery in lung metastases ▶     Nitin Joshi, Nitesh Shirsath, Ankur Singh et al.     Concerns related to pulmonary toxicity and non-specificity of nanoparticles have limited their clinical applications for aerosol delivery of chemotherapeutics in lung cancer. We …             Robust surface state transport in thin bismuth nanoribbons ▶     Wei Ning, Fengyu Kong, Yuyan Han et al.     While a two-dimensional (2D) metallic surface state in bismuth has been proposed, experimental 2D evidence of quantum transport, e.g., angular dependent Shubnikov-de Haas (SdH) …             Planar integrated metasurfaces for highly-collimated terahertz quantum cascade lasers ▶     Guozhen Liang, Emmanuel Dupont, Saeed Fathololoumi et al.     We report planar integration of tapered terahertz (THz) frequency quantum cascade lasers (QCLs) with metasurface waveguides that are designed to be spoof surface plasmon (SSP) …             In situ formation of oxygen vacancy in perovskite Sr0.95Ti0.8Nb0.1M0.1O3 (M=Mn, Cr) toward efficient carbon dioxide electrolysis ▶     Jun Zhang, Kui Xie, Haoshan Wei et al.     In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr0.95Ti0.9Nb0.1O3.00 to create oxygen vacancies in situ after reduction for …             New localized/delocalized emitting state of Eu2+ in orange-emitting hexagonal EuAl2O4 ▶     Feng Liu, Richard S. Meltzer, Xufan Li et al.     Eu2-activated phosphors are being widely used in illuminations and displays. Some of these phosphors feature an extremely broad and red-shifted Eu2 emission band; however, …             Plasmon-driven surface catalysis in hybridized plasmonic gap modes ▶     Hui Wang, Ting Liu, Yingzhou Huang et al.     Plasmon-driven surface catalytic (PDSC) reaction in Ag/Au nanoparticle monomer or dimer-film gaps are experimentally and theoretically investigated, using surface enhanced Raman …             The effect of doping Sb on the electronic structure and the device characteristics of Ovonic Threshold Switches based on Ge-Se ▶     Sang-Yeol Shin, J. M. Choi, Juhee Seo et al.     The Ovonic Threshold Switch (OTS) based on an amorphous chalcogenide material has attracted much interest as a promising candidate for a high-performance thin-film switching …             Potential microRNA-mediated oncogenic intercellular communication revealed by pan-cancer analysis ▶     Yue Li, Zhaolei Zhang     Carcinogenesis consists of oncogenesis and metastasis, and intriguingly microRNAs (miRNAs) are involved in both processes. Although aberrant miRNA activities are prevalent in …             Period doubling induced by thermal noise amplification in genetic circuits ▶     G. Ruocco, A. Fratalocchi     Rhythms of life are dictated by oscillations, which take place in a wide rage of biological scales. 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