ORIGIN OF THE [1-1/2-0] ATOMIC SHORT-RANGE ORDER IN AU-RICH AU-FE ALLOYS

被引：15

作者：

LING, MF

STAUNTON, JB

JOHNSON, DD

PINSKI, FJ

机构：

[1] SANDIA NATL LABS, LIVERMORE, CA 94551 USA

[2] UNIV CINCINNATI, DEPT PHYS, CINCINNATI, OH 45221 USA

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 06期

关键词：

D O I：

10.1103/PhysRevB.52.R3816

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have calculated the atomic short-range order (ASRO) and paramagnetic susceptibility in high-temperature, chemically disordered Au75Fe25 and Au90Fe10, using a density-functional-based, electronic-structure method. For both alloys, we obtain [11/20]-type ASRO, in excellent agreement with experiments performed on samples that have been fast quenched from high temperature. We also identify the underlying electronic mechanism responsible for this unusual ordering behavior. During annealing at high temperatures, we suggest that aligning local moments via an external magnetic field will produce interesting AuFe alloys with [100]-type ASRO.

引用

收藏

页码：R3816 / R3819

页数：4

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