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Amorphous alloys for electrocatalysis: The significant role of the amorphous alloy structure
Nano Research, 2021Amorphous alloys, also known as metallic glasses, are solid metallic materials having long-range disordered atomic structures. Compared to crystalline alloys, amorphous alloys not only have metallic characters, but also possess several distinct properties associated to the amorphous structure, such as isotropy, composition flexibility, unsaturated ...
Xingyun Li, Dong-Sheng Li, Jun Xu
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Journal of Materials Science and Technology, 2018
Abstract Owing to their unique short- or medium-range ordered microstructures and excellent mechanical, physical, and chemical properties, amorphous alloys have attracted significant interest in recent years. For the application of amorphous alloys, clarifying their oxidation processes and mechanisms is necessary since many of the surface-related ...
Yifei Xu, Zumin Wang
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Abstract Owing to their unique short- or medium-range ordered microstructures and excellent mechanical, physical, and chemical properties, amorphous alloys have attracted significant interest in recent years. For the application of amorphous alloys, clarifying their oxidation processes and mechanisms is necessary since many of the surface-related ...
Yifei Xu, Zumin Wang
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Magnetic properties of amorphous alloys
Journal of Magnetism and Magnetic Materials, 1978Abstract The preparation of amorphous alloys, or glassy metals, is briefly described, and the basic magnetic properties of these materials are reviewed with emphasis on the properties that are important for engineering applications.
C D Graham, T Egami
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Relaxation of Amorphous Metallic Alloys
Solid State Phenomena, 1998Two types of relaxation processes in amorphous alloys have been investigated in metal-metalloid systems. One of them has been studied by measuring the static structure factor S(Q) in cobalt boron glass samples that have been previously isothermally treated on temperatures close to crystallization temperature.
Davidović, Milorad, Tomić, Predrag
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Positron Annihilation in Amorphous Alloys
Physica Status Solidi (a), 1979The crystallization process of the amorphous Pd0.845Si0.155, Pd0.80Si0.20, and Ni0.81P0.19 alloys is studied by positron annihilation. The following experimental facts are found. 1. In the PdSi alloy, the changes of coincidence peak counts and h-parameters with temperature are consistent with the crystallization mechanism proposed by Masumoto and ...
S. Tanigawa +5 more
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Superconductivity in amorphous actinide alloys
Physical Review B, 1985Superconductivity has been studied in amorphous binary alloys of actinides containing Co, Fe, and Ni. Amorphous thorium alloys have critical temperatures of up to 3.8 K and electronic properties similar to other transition-metal amorphous alloys. By contrast, amorphous uranium alloys have critical temperatures below 1.0 K and exhibit two unusual ...
, Poon, , Drehman, , Wong, , Clegg
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Tracer diffusion in amorphous alloys
Materials Science and Engineering, 1988Abstract Self-diffusion in various iron-based amorphous metal-metalloid alloys and in amorphous metal-metal systems Fe x Zr 100−x was investigated using radioactive 59 Fe and 95 Zr tracer atoms in combination with ion-beam sputtering for serial sectioning.
J. HORVÁTH +3 more
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Properties of amorphous Si:F:H alloys
Journal of Non-Crystalline Solids, 1980Previously we have shown that amorphous silicon-based alloys containing F and H (1–7) possess desirable properties for photovoltaic application. Amorphous tetrahedral semiconductors ordinarily possess a very large density of states which act as traps leading to low values for drift mobility and low recombination lifetimes of free carriers.
A. Madan, S. R. Ovshinsky
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Diffusion mechanisms in amorphous alloys
Materials Science and Engineering, 1988Abstract A critical analysis of experimental data shows that self-diffusion in relaxed amorphous alloys is controlled by mechanisms involving collective thermal activations. Whereas in FeZr alloys both 59Fe and 95Zr diffuse via direct mechanisms that change with the alloy composition (e.g.
W. FRANK, J. HORVÁTH, H. KRONMÜLLER
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