Structural and magnetic properties of amorphous CoxZr100-x films

被引：0
|
作者：
Rani, Parul [1 ]
Kurichenko, Vladislav [1 ]
Gurbuz, Emel [1 ]
Sanyal, Biplab [1 ]
Andersson, Gabriella [1 ]
机构：
[1] Uppsala Univ, Dept Phys & Astron, Box 516, SE-75120 Uppsala, Sweden
来源：
PHYSICAL REVIEW B | 2023年 / 108卷 / 13期
基金：
瑞典研究理事会;
关键词：
LOCAL ATOMIC ORDER; MEDIUM-RANGE ORDER; CO-ZR; ELECTRONIC-STRUCTURE; MOLECULAR-DYNAMICS;
D O I：
10.1103/PhysRevB.108.134412
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetometry and first-principles density functional theory-based calculations were used to investigate the concentration dependence of magnetic properties of amorphous CoxZr100-x alloys. A linear increase in saturation magnetization (Ms) is observed in both the experiments and calculations. Samples with Co content of at least 62 at.% are inferred to be ferromagnetic at 5 K. The experimentally determined ordering temperature is found to scale quadratically with Co concentration indicating a complex interplay between local structural motifs and magnetic parameters such as exchange interaction and anisotropy.
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页数：6
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