Magnetic and Electronic Properties of Single-Crystalline BaCoSO

Yuanhe Song; Xianshi Liu; Dong Wu; Qi Yao; Chenhaoping Wen; Maxim Avdeev; Rui Peng; Haichao Xu; Jin Miao; Xia Lou; Yifei Fang; Binglin Pan; Nanlin Wang; Darren C. Peets; Donglai Feng

doi:10.1103/PhysRevB.100.205130

Magnetic and Electronic Properties of Single-Crystalline BaCoSO

Superconductivity 2019-11-25 v1 Materials Science

Authors: Yuanhe Song , Xianshi Liu , Dong Wu , Qi Yao , Chenhaoping Wen , Maxim Avdeev , Rui Peng , Haichao Xu , Jin Miao , Xia Lou , Yifei Fang , Binglin Pan , Nanlin Wang , Darren C. Peets , Donglai Feng

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Abstract

Doped BaCoSO was recently predicted to be a high-temperature superconductor in a new class based on Co and Ni. Using a Co-S self flux method, we synthesized single crystals of the antiferromagnetic insulator BaCoSO. Our magnetic and specific heat measurements and neutron diffraction provide details of its magnetic anisotropy and order. Its band gap was determined to be about 1.3 eV by our measurements of its photoemission spectrum and infrared optical conductivity. Our results can pave the way to exploring the predicted superconductivity in this Co-based material.

Keywords

BaCoSO single crystal antiferromagnetic insulator band gap superconductivity magnetic properties

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@article{arxiv.1911.03076,
  title  = {Magnetic and Electronic Properties of Single-Crystalline BaCoSO},
  author = {Yuanhe Song and Xianshi Liu and Dong Wu and Qi Yao and Chenhaoping Wen and Maxim Avdeev and Rui Peng and Haichao Xu and Jin Miao and Xia Lou and Yifei Fang and Binglin Pan and Nanlin Wang and Darren C. Peets and Donglai Feng},
  journal= {arXiv preprint arXiv:1911.03076},
  year   = {2019}
}

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6 pages, 6 figures and Supplemental Material

Magnetic and Electronic Properties of Single-Crystalline BaCoSO

Abstract

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