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Anomalous low-temperature transport property of oxygen containing high-entropy Ti-Zr-Hf-Cu-Ni metallic glass thin films

Authors :
Zhuoqun Wen
Kefu Yao
Zhang Qi
Shaofan Zhao
Yingqi Zhang
Xiang Cheng
Na Chen
Pengfei Wang
Weihua Wang
Source :
Science China Materials. 62:907-912
Publication Year :
2018
Publisher :
Springer Science and Business Media LLC, 2018.

Abstract

低温电输运特性是非晶态材料理论研究中的关键问题. 通过在Ti-Zr-Hf-Cu-Ni高熵非晶合金薄膜材料中掺入氧, 可以诱导其在低温下显示出异常的电输运行为. 低于8 K时, 掺氧高熵非晶合金薄膜的电阻率分别与温度和外加磁场强度的1/2次方(即 T 1/2和 H 1/2)呈线性关系. 研究表明, 氧的掺入增强了高熵非晶合金薄膜中电子-电子间的库伦作用和电子自旋之间的交互作用, 从而导致含氧高熵非晶合金薄膜的低温异常磁电输运行为. 因此,我们可通过对高熵非晶合金材料掺氧实现对该材料低温导电性能的调控.

Details

ISSN :
21994501 and 20958226
Volume :
62
Database :
OpenAIRE
Journal :
Science China Materials
Accession number :
edsair.doi...........053d765eb92778d1783aba54da228914
Full Text :
https://doi.org/10.1007/s40843-018-9375-x