Results 281 to 290 of about 1,519,611 (338)
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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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Hard magnetic bulk amorphous alloys
IEEE Transactions on Magnetics, 1997An amorphous phase in Ln-Fe-Al (Ln=Nd and Pr) systems is formed in wide composition ranges of 0 to 90 at% Fe and 0 to 93 at% Al by melt spinning. Ferromagnetic Ln/sub 90-x/Fe/sub x/Al/sub 10/ bulk amorphous alloys with high coercive force (/sub i/H/sub c/) at room temperature are obtained by copper mold casting.
A. Inoue, null Tao Zhang, A. Takeuchi
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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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Surface & Coatings Technology, 2019
The CoCrBFeNiSi high-entropy alloy (HEA) coatings were fabricated on H13 steel using different laser powers. The microstructure, mechanical and chemical properties of the coating and the internal relations between them were investigated, in which 3D wear
F. Shu +7 more
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The CoCrBFeNiSi high-entropy alloy (HEA) coatings were fabricated on H13 steel using different laser powers. The microstructure, mechanical and chemical properties of the coating and the internal relations between them were investigated, in which 3D wear
F. Shu +7 more
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2001
This chapter aims to review our recent research results on new bulk amorphous alloys. The main topics are the following: (1) the finding of new amorphous alloys with high glass-forming ability in a number of alloy systems; (2) the mechanism for achieving high glass-forming ability; (3) the fundamental properties of the new amorphous alloys; (4 ...
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This chapter aims to review our recent research results on new bulk amorphous alloys. The main topics are the following: (1) the finding of new amorphous alloys with high glass-forming ability in a number of alloy systems; (2) the mechanism for achieving high glass-forming ability; (3) the fundamental properties of the new amorphous alloys; (4 ...
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Amorphous alloys for electrocatalysis: The significant role of the amorphous alloy structure
Nano Reseach, 2021Xingyun Li +5 more
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International journal of hydrogen energy, 2018
Design of inexpensive and highly efficient bifunctional electrocatalyst is paramount for overall water splitting. In this study, amorphous Ni–Fe–P alloy was successfully synthesized by one-step direct-current electrodeposition method.
Lian Jiqiong +5 more
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Design of inexpensive and highly efficient bifunctional electrocatalyst is paramount for overall water splitting. In this study, amorphous Ni–Fe–P alloy was successfully synthesized by one-step direct-current electrodeposition method.
Lian Jiqiong +5 more
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Ferromagnetic bulk amorphous alloys
Metallurgical and Materials Transactions A, 1998This article reviews our recent results on the development of ferromagnetic bulk amorphous alloys prepared by casting processes. The multicomponent Fe-(Al,Ga)-(P,C,B,Si) alloys are amorphized in the bulk form with diameters up to 2 mm, and the temperature interval of the supercooled liquid region before crystallization is in the range of 50 to 67 K ...
Akihisa Inoue, Akira Takeuchi, Tao Zhang
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2007
The sections in this article are 1 Introduction 2 Hydrogen- and Deuterium-Related Microstructure (1H, 2D) 3 Lattice Structure (29Si, 13C) 4 Dopant Atoms (11B, 31P) 5 Biographical Sketch Related ...
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The sections in this article are 1 Introduction 2 Hydrogen- and Deuterium-Related Microstructure (1H, 2D) 3 Lattice Structure (29Si, 13C) 4 Dopant Atoms (11B, 31P) 5 Biographical Sketch Related ...
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MRS Proceedings, 1981
ABSTRACTAmorphous surface layers produced by bonding metglas ribbons onto steel specimens were tested for their resistance to fretting. Friction and weight loss were determined and the worn surfaces were examined optically. There was no general tendency towards a better wear resistance of the tested amorphous metals as compared to crystallized metals ...
Reinhard Becker, Gerd Sepold
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ABSTRACTAmorphous surface layers produced by bonding metglas ribbons onto steel specimens were tested for their resistance to fretting. Friction and weight loss were determined and the worn surfaces were examined optically. There was no general tendency towards a better wear resistance of the tested amorphous metals as compared to crystallized metals ...
Reinhard Becker, Gerd Sepold
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