Materials Literature
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Brunogeierite is a rare Ge-mineral with a spinel-type structure. Inconsistences in the brunogeierite formula suggesting divalent germanium in its structure have occurred since its description. A review of the published data and bond-valence calculations show that the correct ideal end-member formula of brunogeierite i…
Cr-doped In2O3 films were deposited on Si (100) substrates by RF-magnetron sputtering technique. The local structure, magnetic, and transport properties of films are investigated by X-ray diffraction, X-ray photoelectron spectroscopy, X-ray absorption fine structure, Hall effect, R-T, and magnetic measurements. Struct…
We manipulated the metal-insulator transition characteristics of VO2 thin films on TiO2 (001) substrates by changing their micro-scaled metallic domain configurations through size- and aspect ratio-control. A very steep resistance drop at 294 K was demonstrated for a 1D parallel domain configuration in a low aspect ra…
We study the forces and torques experienced by pill-shaped Janus particles of different aspect ratios where half of the surface obeys the no-slip boundary condition and the other half obeys the Navier slip condition of varying slip lengths. Using a recently developed boundary integral formulation whereby the tradition…
The use of a layer of asphalt within railway trackbeds has steadily grown since the early 1980s in the United States. Its primary use has been for maintenance and rehabilitation applications in existing tracks, particularly at special trackworks, to improve trackbed performance, and to a lesser extent for new trackbed…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Ankit Kumar, Dinesh K. Pandya, Sujeet Chaudhary; Structural, electronic, and magnetic behavior of…
The conditions under which ferromagnetism may occur in transition metal oxides with partially filled ${t}_{2g}$ shells such as vanadium-based perovskites are studied using a combination of density functional and single-site dynamical mean field methods. For reasonable values of the correlation strength, rotations of t…
In this work, the investigation of structural features, spectral and electrical properties of spin-coated films of substituted lutetium bisphthalocyanine Lu ( Pc ( SR )8)2, where R = - C 6 H 13 was carried out. The current-voltage characteristics of ITO/ Lu ( Pc ( SR )8)2/ Al film sandwich structures were measured ove…
We analyze the influence of strong electron-phonon coupling and thermal fluctuations on the Hall effect in organic crystals, using a variant of the Kubo formula. The Hall effect in organic crystals cannot simply be understood based on a band picture, but it is governed by competition between intermolecular quantum coh…
A reusable metallic substrate of surface-enhanced-Raman-scattering (SERS) was fabricated with field-enhancement property. Silver nanoparticles spread on a glass substrate and covered with a graded SiO2 coating were employed to enhance and to modulate the Raman scattering signal of probed samples. In the study, the Ram…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation X. T. Liu, Yue Zheng, B. Wang, W. J. Chen; Prediction of ferroelectric stability and magnetoelect…
We achieved the electrical control of a magnetic state by using an external magnetic field via electric field-induced resistance (EIR) change phenomena. We prepared a La0.7Sr0.3MnO3 (LSMO) film which showed EIR changes. Before the EIR treatment, the sample barely showed negative magnetoresistance (MR). After the EIR t…
Goldkatalyse: Experimentell und theoretisch wurde bestätigt, dass die Grenzflächenatome eines Au/TiO2-Katalysators sowohl hoch reaktiv als auch hoch selektiv in der Oxidation von Methanol zu Formaldehyd mit O2 bei niedrigen Temperaturen sind. Der mikroskopische Mechanismus dieser komplexen Reaktion wurde im Detail auf…
Abstract The Johnson‐Cook parameters for the zirconium material were determined based on the data obtained from the tensile testing of zirconium specimens at different strain‐rates and different temperatures. The velocity difference (VPL) between the particulated jet fragments was calculated for zirconium liners of di…
This paper studies the influence of surface residual stress on the fracture of the double cantilever beam (DCB) specimens. The closed-form solutions of the energy release rate and the stress intensity factor are derived by using Timoshenko beam theory. Results show that positive residual surface stress and the root ef…
Put a ring on it: A cyclic azobenzene has a much higher melting point, stronger fluorescence, and better film-forming and SRG-formation ability than its linear precursor. Pcyclic-AzoMMA, with cyclic azobenzene pendant groups, has a much higher Tg value (100 °C) than Plinear-AzoMMA, with linear pendants groups (58 °C),…
In this study, octa(aminophenyl)silsesquioxane (OAPS), octakis(dimethylsiloxypropylglycidylether) silsesquioxane (OG) and phosphorous skeletal bis(4-maleimidophenyl)benzoxazine were synthesized and characterized. The polyhedral oligomeric silsesquioxane (POSS) derivative (OAPS and OG)-reinforced polybenzoxazine (PBZ)…
The extent of block microphase separation in nonfrustrated A–B–C triblock copolymers forming a “three-domain, four-layer” lamellar morphology is examined. Specifically, the extent of separation between the B and C blocks is probed, for the case where the B and C blocks are sufficiently compatible that they would not b…
Abstract The process of rubber composite armor anti‐shaped charge jet (SCJ) penetration was divided into four parts based on jet deformation that occurred when the SCJ penetrated the rubber composite armor. Results on the interference speed interval, interference frequency, and surplus penetration capability of the SC…
The size dependence of yield point assisted ferroelastic switching is dominated by the appearance of a minimum size where the domain switching by external strain is swamped by noise which is determined by internal jamming processes. The lower ferroelastic lateral cut-off size was found in computer simulations to be 20…