Materials Literature
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INTRODUCTION Heat and Fluid Flows in Material Science and Engineering Overview of the Present Work MATHEMATICAL DESCRIPTION OF PHYSICAL PHENOMENA IN THERMOFLUIDDYNAMICS Conservation Equations for Continuum Media Boundary and Initial Conditions Conservation Equations in Electromagnetics DISCRETIZATION APPROACHES AND NU…
This chapter contains sections titled: Introduction Terminal Ballistic Effects Developments in Ceramic Armor Technology Conclusions
This chapter contains sections titled: Introduction Experimental Procedure Process Modeling Results - Coatings Conclusions Acknowledgements
Pressure dependence of Extended X-ray Absorption Fine Structure (EXAFS) cumulants of silicon and germanium have been investigated using the statistical moment method (SMM). Analytical expressions of the first and second cumulants of silicon and germanium have been derived. The equations of states for silicon and germa…
Abstract Review: 142 refs.
Electric-field control of the spin-orbit field in [111] quantum wells lengthens the spin coherence time.
Abstract Review: 59 refs.
Abstract Mixed Ce—W oxide catalysts (Ce2WOx, CeWOx, CeW2Ox) are prepared by homogeneous precipitation from aqueous solutions of Ce(NO3)3, (NH4)10W12O41, and (COOH)2 using urea (90 °C, 12 h) followed by calcination in air (500 °C, 5 h).
Abstract Review: 177 refs.
The dehydration of ethyl alcohol in atmospheric isothermal vapor phase to produce both ethylene and ether was studied in fixed bed reactor (2.54 cm inside diameter and 110 cm height). Two temperature ranges were used according to catalyst type, these are 250-350 0C for both alumina and zeolites (4A and 5A) and 90-120…
Decades ago, neutrophil granulocytes have been recognized as professional phagocytes. In their granules they store a massive array of antimicrobial enzymes and peptides which they can release either to the outside or into the phagosome, where phagocytosed microorganisms are quickly killed. Some years ago a different a…
The atomic layer epitaxy of wurtzite thin films on sapphire (001) substrates was studied in the controlled growth of zinc oxide films by sequential surface chemical reactions using a vapor combination of diethylzinc (Zn(CH 2 CH 3 ) 2 ) and water (H 2 O). The optical constant and thickness of these wurtzite films were…
A highly reflective thermal radiation barrier coating (TRBC) made of a multi-layer film is studied for high temperature applications. The multi-layer film with a periodic microstructure consisting of cylindrical nano-pores acts a photonic band gap (PBG) crystal. The coating is constructed such that pores are arranged…
Use of soft X-rays (SX) for assessing three dimensional structures in thin films by grazing-incidence small-angle X-ray scattering (GI-SAXS) has been discussed with an example of Ge nanodot structures grown on (001) Si substrates and capped with Si. GISAXS patterns obtained by the measurements were compared with model…
We present a Density Functional Based Tight Binding study on the crystallography and electronic structures of various II-VI wurtzite core-shell, core-multi-shell ZnO/ZnS unsaturated nanowires (NW) of circular and hexagonal cross sections and examine the dependence of interface stress and formation energy on nanowire l…
KCuF3 is the paradigmatic compound for the co-operative Jahn-Teller effect. But do we really know its structure?
Abstract Thus far, three different ribbons and layers of antimony atoms with various Sb–Sb bonds were found in Hf5Sb9, HfSb2 and HfSbTe. We uncovered a new variant when trying to dope Hf5Sb9 with tellurium atoms, namely HfSb2–xTex, with 0.4 ≤ x ≤ 0.7. HfSb2–xTex adopts the monoclinic OsGe2 type, space group C2/m, a =…
We have grown a semipolar Al0.83Ga0.17N/AlN heterostructure on ZnO (11¯02) substrates and investigated the optical polarization characteristics of the near-band-edge (NBE) emission of Al0.83Ga0.17N experimentally and theoretically. Reciprocal space mapping measurements revealed that AlN is fully relaxed with respect t…
The effect of disorder in polyhalide anions is investigated in terms of the degree of charge transfer and the Fermi surface in the incommensurate organic superconductor (MDT-TSF)I${}_{0.77}$Br${}_{0.52}$, where MDT-TSF is methylenedithio-tetraselenafulvalene. The Raman spectra suggest that the infinite polyhalide chai…
Abstract The title compounds are synthesized from stoichiometric amounts of SrCO3, CaCO3, Fe2O3, and Mn2O3 either in air or in argon (1250 °C, 100 h).