Observation of itinerant ferromagnetism and coupled magnetoresistance in a spinel CuCo2S4

Author:

Yue Zengji12345,Hou Zhiqian6789,Yun Frank12345,Liu Peng12345ORCID,Yang Guangsai12345,Bake Abdulhakim12345,Zhao Weiyao12345,Cortie David12345,Shu Chaozhu6789ORCID,Hu Shaojie1011121314,Cheng Jipeng1516171418ORCID,Wang Xiaolin12345ORCID

Affiliation:

1. Institute for Superconducting & Electronic Materials

2. Australian Institute of Innovative Materials

3. University of Wollongong

4. Wollongong

5. Australia

6. College of Materials and Chemistry & Chemical Engineering

7. Chengdu University of Technology

8. Chengdu 610059

9. P. R. China

10. Center for Spintronics and Quantum Systems

11. State Key Laboratory for Mechanical Behavior of Materials

12. Xi’an Jiaotong University

13. Xi’an

14. China

15. School of Materials Science & Engineering

16. Zhejiang University

17. Hangzhou

18. School of Physics and Microelectronics

Abstract

A novel ferromagnetic spinel CuCo2S4Tc ∼ 125 K was discovered. The ferromagnetism originates from Co and Cu atoms, and leads to a positive magnetoresistance in the paramagnetic regime, and a cross-over in the ferromagnetic regime.

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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