Electronic structure of metallic glasses
WebThe effect of structural relaxation on the electronic structure of Fe_{78}Si_{9}B_{13} metallic glass was investigated by means of the Hall effect, electrical conductivity and EELS methods. The effect of the structural relaxations was observed by four-hour annealing of the samples in argon atmosphere at temperatures 573, 673, 723, 773 K. The most … WebJan 1, 1983 · As reviewed by Busch and Gfintherodt (1974), the electronic structure of simple liquid metals and alloys has been extensively studied, and has now been widely recognized as being adequately described in terms of the Ziman theory based on the …
Electronic structure of metallic glasses
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WebSections 2 and 3 are devoted to the electronic structures of simple and non-simple metallic glasses, respectively; Fermi momentum distribution, electron density of states … WebSections 2 and 3 are devoted to the electronic structures of simple and non-simple metallic glasses, respectively; Fermi momentum distribution, electron density of states determination, electron transport properties, and properties related to electronic states are treated. A fourth section discusses briefly the stability of metallic glasses via ...
WebFrom the detailed electronic structure studies on intermetallic compounds, it has been found that these materials have low heat of formation and large glass-forming ability, if the Fermi level falls on the peak in the density of states (DOS) curve. On the other hand, if theE F falls on the pseudogap in the DOS curve, the ordering energy will be larger and the … WebSep 28, 2024 · While it is accepted that the plastic behavior of metallic glasses is affected by their free volume content, the effect on chemical bonding has not been investigated systematically. According to electronic structure analysis, the overall bond strength is not significantly affected by the free volume content. However, with an increasing free …
WebDec 1, 1988 · The atomic and electronic structures of amorphous and crystalline Mg-Zn alloys are studied by computer simulation, electronic band-structure calculations and … WebAn amorphous metal (also known as metallic glass, glassy metal, or shiny metal) is a solid metallic material, usually an alloy, with disordered atomic-scale structure. Most metals are crystalline in their solid state, which …
WebDec 15, 1990 · The electronic structures of three different metallic glasses, a -Ni, a - Mg1−xZnx, and a - Cu1−x Zrx, are studied by means of the first-principles …
WebFeb 22, 2010 · Through systematic study of glass-forming ability (GFA) and the electronic specific heat coefficient in typical ternary (Cu 50 Zr 50) 100 − x Al x bulk metallic glasses, we provide compelling experimental … buttercup runs away from schoolWebJun 2, 2015 · A Schottky field emission electron gun at 10 keV and 10 nA excited the metallic glass under 10-7 Pa vacuum, where a differentially-pumped ion gun with 1 keV was used to sputter argon ions onto the Pt-BMG at a sputtering rate of 8 nm/min for surface cleaning. Elastically-scattered electrons penetrated the material to a depth of 1 µm. cd player for vauxhall crosslandWebOct 1, 2011 · The atomic structure of Pd40Ni40P20 bulk metallic glass has been simulated using an ab initio molecular dynamics method with projector-augmented wave pseudopotentials for electron-ion interaction ... cd player for toyota rav4WebJul 1, 1998 · @article{osti_644331, title = {Electronic structure and related properties of metallic glasses: Linear muffin-tin orbital approach}, author = {Bose, S K}, abstractNote = {The authors describe various aspects of electronic structure calculation for amorphous metals using the linear muffin-tin orbital (LMTO) scheme. They discuss calculations of … buttercups1121 arrestWebSep 22, 2011 · A number of simulations and experimental observations have suggested that icosahedra are an energetically favorable atomic structure in metal–metal-based metallic glasses. 25,26,27,28,29,30 ... buttercups1121WebJul 12, 2024 · Owing to its unique atomic arrangement and electronic structure, metallic glass (MG) has been widely investigated in the field of energy storage and conversion. In the past few decades, multiple ... cd player for visually impaired peopleWebThe results of a comprehensive study of the superconducting transition temperatures of Zr- and Hf-based metallic glasses are reported. The microscopic origins of superconductivity in these glasses are discussed in terms of recent ultraviolet photoelectron spectroscopy (UPS) measurements and calculations based on the renormalized atom technique. These … buttercup rugs