Materials Literature
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ABSTRACT A novel polymer coating technique has been developed for alleviating thermal stress issues intrinsic to copper-filled through silicon via (TSV) interconnect structures. This scalable generic process applies photoresist and optionally also other functional polymer linings at and within TSV geometries to act as…
Prussian blue analogues (PBAs) such as K2[CuFe(CN)6] are expected to become the key material for efficient cesium recovery. However to use this material efficiently, it must have a morphology that doesn’t cause a severe hydraulic resistance, as a high throughput is required during recovery. This is very difficult, as…
ZnO nanoparticles were synthesized by the electrochemical method. The samples were synthesized at different electrochemical conditions, i.e. time and the voltages. The different topologies were obtained. The photo induced piezoelectricity was studied during illumination by the 10 ns nitrogen laser at wavelength 371 nm…
ИЗВЕСТИЯ ВЫСШИХ УЧЕБНЫХ
The aim of this work is to study the micro-abrasive wear behaviour of an iron aluminide alloy, seeking correlations between wear volume, coefficient of friction and temperature in ball-cratering wear testing. The experiments were conducted with specimens of iron aluminide alloy, a ball of AISI 52100 steel and abrasive…
We present a deviational Monte Carlo method for simulating phonon transport in graphene using the ab initio 3-phonon scattering operator. This operator replaces the commonly used relaxation-time approximation, which is known to neglect, among other things, coupling between out of equilibrium states that are particular…
The effective potential of electron–electron interaction and the two-particle “density–density” correlation function have been calculated for a simple semiinfinite metal making allowance for the local-field correction. The influences of a flat interface and various models of local-field correction on the results of ca…
The band gap and Debye temperature of the antimony alloys of the form Sb2TexSe3-x (x = 3, 2, 1, 0), have been computed and the results are corroborated well with the earlier experimental reports. The required input data such as Fermi energy, density of states, etc., have been obtained by using the well known tight bin…
Use of electroless nickel for electronic applications continues to grow and is clearly the most diverse market segment. This project is aimed to investigate the possibility to coat nickel by using organic solvent for nickel composite coating deposition with undissolved-incorporated particles in water using electroless…
Photovoltaic effects in heterostructure of indium tin oxide (ITO)/(Bi1_xCax)FeO3_δmultiferroic ceramics/Au (x = 0.0 and 0.15) have been measured under illuminations of λ = 405 and 445 nm. Open-circuit voltage (Voc), short-circuit current density (Jsc), and power conversion efficiency (η) show strong dependences on lig…
A concurrent multiscale method of coupling atomistic and continuum models is presented in the two-dimensional system. The atomistic region is governed by molecular dynamics while the continuum region is represented by constructing the mass and stiffness matrix dependent on the coarsening of the grids, which ensures th…
We describe a novel solution for PET attenuation correction in the head based on the joint reconstruction of simultaneously acquired emission and sparse transmission (sTX) data. We demonstrate that an sTX array can provide better cross-talk reduction than a conventional full-ring transmission source. This initial eval…
Charge collection efficiency (CCE) mapping was performed by simulating a 5.0 × 5.0 × 10.0 mm3Frisch-collared BiI3gamma-ray detector with an applied bias of 4800V and comparing the results to those previously published for a 4.7 × 4.7 × 9.5 mm3Frisch-collared CdZnTe device with an applied bias of 1200V. The BiI3mobilit…
By using high-temperature deep-level transient spectroscopy (HT-DLTS) and other electrical measurement techniques, localized deep levels in n-type Al x Ga 1− x N epitaxial films with various Al compositions ( x = 0, 0.14, 0.24, 0.33, and 0.43) have been investigated. It is found that there are three distinct deep leve…
The standardless stoichiographic differential dissolution (DD) method is used for phase analysis of superfine multicomponent oxide precursors of Fe-Co MWCNT synthesis catalysts obtained by the Pechini method. The analysis identifies the individual phases in the studied samples of Fe 2 Co/Al 2 O 3 , Fe 2 Co/MgO, and Fe…
Layered Cu2MoS4 nanosheets are prepared by L. Song, Z. Y. Wu, and co-workers via a solvothermal method, in which Cu2O is used as a sacrificial template. On page 4637, the microstructure of Cu2MoS4 nanosheets is identified at the atomic level. The growth mechanism is monitored on the nanoscale by systematic time-depend…
Prospects for diamond-structured magnetic Si are investigated experimentally, by model calculations, and numerically. Our theoretical analysis, using bond-orbital, Vienna ab-initio simulation package, and SIESTA calculations, suggest that some diamond-Si imperfection may carry a magnetic moment. In particular, for tet…
This paper reports the synthesis and characterization of Multiwall Carbon nanotube (MWCNTs) embedded SU-8 negative photoresist nanofibers. These nanofiber composites were synthesized using electrospinning technique, a simple, robust and low cost technique for synthesizing nanofibers. MWCNTs were dispersed mechanically…
The photoelectromagnetic investigations of graphene has been performed using noncontact technique.
Phenylethynyl cuprate complexes of lanthanides react with organyl halides RX, Ph 3 CX, R 3 SiX, and RC(O)X (X = Cl, I; R = alkyl) in tetrahydrofuran to give polyfunctional organic and hetero-organic compounds with high yield. The reaction mechanism is discussed.