Superconductivity in CuAl2-type Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2 with a high-entropy-alloy transition metal site

Yoshikazu Mizuguchi; Md. Riad Kasem; Tatsuma D. Matsuda

doi:10.1080/21663831.2020.1860147

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Superconductivity in CuAl2-type Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2 with a high-entropy-alloy transition metal site

Report | 更新时间：2026-08-19

- Superconductivity in CuAl2-type Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2 with a high-entropy-alloy transition metal site
- Materials Research Letters Vol. 9, Issue 3, Pages: 141-147(2021)
- 作者机构：
  
  Department of Physics Tokyo Metropolitan University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1860147
  CLC：
- Online First：20 December 2020，
  
  Published：2021
- 稿件说明：
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Yoshikazu Mizuguchi, Md. Riad Kasem, Tatsuma D. Matsuda. Superconductivity in CuAl2-type Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2 with a high-entropy-alloy transition metal site[J]. Materials Research Letters, 2021, 9(3): 141-147.
DOI：

Yoshikazu Mizuguchi, Md. Riad Kasem, Tatsuma D. Matsuda. Superconductivity in CuAl2-type Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2 with a high-entropy-alloy transition metal site[J]. Materials Research Letters, 2021, 9(3): 141-147. DOI： 10.1080/21663831.2020.1860147.

摘要

Abstract

BSTRACTResearch on high-entropy-alloy (HEA) superconductors is a growing field in material science. In this study

we explored new HEA-type superconductors and discovered a CuAl

-type superconductor Co

0.2

0.1

0.3

with a HEA-type transition metal site. A superconducting transition was observed at 8.0 K after electrical resistivity

magnetization

and specific heat measurements. The bulk characteristics of the superconductivity were confirmed through the specific heat measurements. The discovery of superconductivity in HEA-type Co

0.2

0.1

0.3

will provide a novel pathway to explore new HEA-type superconductors and investigate the relationship between the mixing entropy and superconductivity of HEA-type compounds.

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Yoshikazu Mizuguchi

Related Institution

a Department of Physics Tokyo Metropolitan University

b Faculty of Engineering Hokkaido University

c Graduate School of Advanced Science and Engineering Hiroshima University

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