Materials Literature
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Der Weg ist frei für die physikalisch-chemische Charakterisierung und Einkristallzucht des neuen orthorhombischen o′-In2O3-Polymorphs. Orthorhombisches In2O3 konnte bei 8–9 GPa Druck und 600–1100 °C aus rhomboedrischem Korund-Typ rh-In2O3 synthetisiert und bei Umgebungsbedingungen stabilisiert werden. Die Kristallstru…
The development of earth-abundant semiconductors is an important step in working towards the realization of photovoltaic production on a global scale. On page 2562, Harry A. Atwater and co-workers successfully synthesize stoichiometric ZnSnN2, a new earth-abundant semiconductor material, which has a theoretical direct…
ABSTRACT This contribution describes the effect of absorbing materials on the functionalization and the concentration of radicals of poly(tetrafluoroethylene) (PTFE) during the γ‐irradiation compared to the results without absorbing materials. Different absorbing calcium‐based materials were used to study their effici…
Electronic screening renormalizes the linear bands of graphene and in the vicinity of the Dirac point, creates a diamond shaped structure in the quasiparticle spectral density. This is a result of electron-plasmon scattering processes which produce a finite momentum feature referred to as the ``plasmaron ring.'' In th…
Through angle-resolved out-of-plane electrical transport measurements on K0.8Fe1.65Se2 crystals, it is found that the upper critical field Hc2, the out-of-plane resistivity ρc, and the activation energy U for flux motion all show a distinct fourfold symmetry which is probably related to the fourfold symmetric supercon…
We have performed magnetotransport measurements on a multi-layer graphene flake. At the crossing magnetic field Bc, an approximately temperature-independent point in the measured longitudinal resistivity ρxx, which is ascribed to the direct insulator-quantum Hall (I-QH) transition, is observed. By analyzing the amplit…
Porous butyl methacrylate/octadecyl acrylate (BMA/OA) copolymers were first synthesized by suspended emulsion polymerization and evaluated for oil absorbency application. Effects of initiator, cross-linking agent, precipitator, dispersant agent, and emulsifier, water/oil ratio on oil absorbency of BMA/OA copolymers we…
We have collected and analyzed the values of thermoelectric parameters of thermoelectric materials and on this basis calculated the energy resolution and photon count rate of the Thermoelectric Nanowire Single-Photon Detector (TNSPD). It is concluded that the TNSPD can achieve higher specifications as compared with th…
Abstract ZnS films are formed by spray method using various zinc sources such as zinc acetate (Zn(CH3COO)2), zinc sulfate (ZnSO4), zinc nitrate (Zn(NO3)2), zinc iodide (ZnI2), zinc chloride (ZnCl2), zinc acetyl (Zn(acac)2). ZnS film using zinc iodide is sharp spectrum and zinc sulfate is broad spectrum by X‐ray diffra…
ABSTRACT Aseries of sodic and organophilic clays with differentd‐spacings was added to a polymeric matrix of poly (ethylene‐co‐butyl acrylate) EBA‐30, containing an intumescent formulation of ammonium polyphosphate (APP) and pentaerythritol (PER), in order to investigate the influence of thed‐spacings of the clays on…
In this paper, we introduce a numerical simulation of a phase detecting surface plasmon resonance (SPR) scheme based on spectral interference. Based on the simulation, we propose a method to optimize various aspects of SPR sensors, which enables better performance in both measurement range (MR) and sensitivity. In the…
Molecular dynamics simulations have been performed to prepare the structural model of BaTi2O5 glass. The total correlation function obtained from the structural model agreed rather well with both the X-ray and neutron diffraction data. We found distorted 4-, 5-, and 6-coordinated Ti atoms whose distortion increases wi…
We assess the ability of the Holland model to accurately predict phonon-phonon relaxation times from bulk thermal conductivity values. First, lattice dynamics calculations are used to obtain phonon-phonon relaxation times and thermal conductivities for temperatures ranging from 10 K to 1000 K for Stillinger-Weber sili…
By the ferromagnetic resonance and magnetometry measurements in a broad temperature range, it is found that the 220-fiber textured Ni51.4Mn28.3Ga20.3 (at. %) film of 100 nm thickness deposited onto NaCl(001) exhibits in the martensitic state an easy-plane magnetic anisotropy. This is in a drastic difference with the i…
ABSTRACT The knowledge of the factors involved in the water transmission through collagen fibrous network of skin and leather is essential in the manufacture of materials that will give improved service and maintain a sufficiently high level of breathability and permeability to assure comfort to the wearer. The study…
ABSTRACT In this study, cellophane (PT) multilayer films were prepared by coating with different thickness of poly(ε‐caprolactone) (PCL) and chitosan (CH), and its effects on barrier and mechanical properties were evaluated. It was shown that the PCL/PT/PCL and PCL/CH/PT/CH/PCL multilayer films exhibit much better wat…
Abstract We investigated the magnetic properties of polycrystalline Co3Sn2S2‐xSex (0≤x ≤1.2) to ascertain the magnetism of the metallic ferromagnet Co3Sn2S2. In Co3Sn2S2‐xSex, TC and magnetization gradually decrease with increasing x, but there is no magnetic phase transition from ferromagnetic throughout the full ran…
Floating aqueous droplets were formed at oil-air interface, and two stable configurations of (i) non-coalescent droplet and (ii) cap/bead droplet were observed. General solutions for energy and force analysis were obtained for both configurations and were shown to be in good agreement with the experimental observation…
ZnO one-dimensional nanostructures were synthesized using the vapour-liquid-solid (VLS) process. Highly C-axis oriented ZnO nanowires, exhibiting a gold droplet on their top, were observed by scanning electron microscopy. Growth mechanisms are discussed, and the issue of supersaturation and precipitation of zinc in th…
The effects of excess SrO on the thermoelectric properties of n-type SrTiO3 have been investigated through a comparative study of different polycrystalline ceramic samples. These include Gd-doped SrTiO3 with varying SrO, nominally in the form of Ruddlesden-Popper phase of SrO(SrTiO3)n with n = 5, 10, and 20, and previ…