A single-crystal neutron diffraction study on magnetic structure of CsCo_2Se_2  

作　　者：Juanjuan Liu Jieming Sheng Wei Luo1  Jinchen Wang  Wei Bao Jinhu Yang Minghu Fang S A Danilkin 刘娟娟;盛洁明;罗伟;汪晋辰;鲍威;杨金虎;方明虎;S A Danilkin(Department of Physics, Renmin University of China, Beijing 100872, China;Department of Physics, Hangzhou Normal University, Hangzhou 310036, China;Department of Physics, Zhejiang University, Hangzhou 310027, China;Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China;Bragg Institute, ANSTO, Locked Bag 2001, Kirrawee DC NSW 2232, Australia)

机构地区：[1]Department of Physics, Renmin University of China, Beijing 100872, China [2]Department of Physics, Hangzhou Normal University, Hangzhou 310036, China [3]Department of Physics, Zhejiang University, Hangzhou 310027, China [4]Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China [5]Bragg Institute, ANSTO, Locked Bag 2001, Kirrawee DC NSW 2232, Australi

出　　处：《Chinese Physics B》2018年第11期372-376,共5页中国物理B（英文版）

基　　金：Project supported by the National Basic Research Program of China(Grant No.2012CB921700);the National Natural Science Foundation of China(Grant No.11190024);the Fundamental Research Funds for the Central Universities,China;the Research Funds of Renmin University of China(Grant Nos.17XNLF04 and 17XNLF06);support from China Scholarship Council

摘　　要：The magnetic structure of CsCo_2 Se_2 was investigated using single-crystal neutron diffraction technique. An antiferromagnetic transition with the propagation vector（0,0,1） was observed at TN= 78 K. The Co magnetic moment 0.772（6） μB at 10 K pointing in the basal plane couples ferromagnetically in the plane, which stacks antiferromagnetically along the c direction. Tuning and suppressing the interplane antiferromagnetic interaction may be crucial to induce a superconducting state in the material.The magnetic structure of CsCo_2 Se_2 was investigated using single-crystal neutron diffraction technique. An antiferromagnetic transition with the propagation vector（0,0,1） was observed at TN= 78 K. The Co magnetic moment 0.772（6） μB at 10 K pointing in the basal plane couples ferromagnetically in the plane, which stacks antiferromagnetically along the c direction. Tuning and suppressing the interplane antiferromagnetic interaction may be crucial to induce a superconducting state in the material.

关 键 词：neutron diffraction magnetic structure SUPERCONDUCTIVITY 

分 类 号：O4[理学—物理]