Synchrotron X-Ray Diffraction Studies on the New Generation Ferromagnetic Semiconductor Li(Zn,Mn)As under High Pressure
Fei Sun1,2 , Cong Xu3 , Shuang Yu1,2 , Bi-Juan Chen1,2 , Guo-Qiang Zhao1,2 , Zheng Deng1** , Wen-Ge Yang3,4** , Chang-Qing Jin1,2,5**
1 Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 1001902 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 1000493 Center for High Pressure Science and Technology Advanced Research, Shanghai 2012034 High Pressure Synergetic Consortium, Geophysical Laboratory, Carnegie Institution of Washington, Argonne 60439, USA5 Collaborative Innovation Center of Quantum Matter, Beijing 100871
Abstract ：The pressure effect on the crystalline structure of the I–II–V semiconductor Li(Zn,Mn)As ferromagnet is studied using in situ high-pressure x-ray diffraction and diamond anvil cell techniques. A phase transition starting at $\sim$11.6 GPa is found. The space group of the high-pressure new phase is proposed as $Pmca$. Fitting with the Birch–Murnaghan equation of state, the bulk modulus $B_{0}$ and its pressure derivative $B'_0$ of the ambient pressure structure with space group of $F\bar{4}3m$ are $B_{0}=75.4$ GPa and $B'_0=4.3$, respectively.
收稿日期: 2017-03-14
出版日期: 2017-05-23
引用本文:
. [J]. 中国物理快报, 2017, 34(6): 67501-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/34/6/067501
或
https://cpl.iphy.ac.cn/CN/Y2017/V34/I6/67501
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2017, Vol. 34 
