Spin-driven ordering of Cr in the equiatomic high entropy alloy NiFeCrCo

Spin-driven ordering of Cr in an equiatomic fcc NiFeCrCo high entropy alloy (HEA) was predicted by first-principles calculations. Ordering of Cr is driven by the reduction in energy realized by surrounding anti-ferromagnetic Cr with ferromagnetic Ni, Fe, and Co in an alloyed L12 structure. The fully...

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Veröffentlicht in:	Applied physics letters 2015-04, Vol.106 (16)
Hauptverfasser:	Niu, C., Zaddach, A. J., Oni, A. A., Sang, X., Hurt, J. W., LeBeau, J. M., Koch, C. C., Irving, D. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	ANNEALING ANTIFERROMAGNETIC MATERIALS ANTIFERROMAGNETISM Applied physics CASTING CHROMIUM COBALT CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Domains ENTROPY FCC LATTICES FERROMAGNETIC MATERIALS FERROMAGNETISM First principles High entropy alloys INTERMETALLIC COMPOUNDS IRON MAGNETIC MOMENTS NICKEL Predictions RANDOMNESS Scanning electron microscopy Scanning transmission electron microscopy SOLID SOLUTIONS SPIN TRANSMISSION ELECTRON MICROSCOPY
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