Mn3Zn0.8Ni0.2N的高压同步辐射研究

胡靖宇; 孙莹; 王聪; 赵清; 张思佳; 张庆华; 李延春; 刘景; 靳常青; 禹日成

doi:10.11858/gywlxb.2012.06.003

Mn3Zn0.8Ni0.2N的高压同步辐射研究

doi: 10.11858/gywlxb.2012.06.003

胡靖宇^1,3, ,,
孙莹²,
王聪²,
赵清¹,
张思佳³,
张庆华³,
李延春⁴,
刘景⁴,
靳常青³,
禹日成³

1.
北京理工大学理学院物理系，北京 100081；
2.
北京航空航天大学理学院凝聚态物理与材料物理研究中心，北京 100083；
3.
中国科学院物理研究所，北京 100190；
4.
中国科学院高能物理研究所国家同步辐射实验室，北京 100039

详细信息

通讯作者:
胡靖宇 E-mail:hjy8868@163.com

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出版历程
- 收稿日期: 2011-04-12
- 修回日期: 2011-06-09
- 发布日期: 2012-12-15

Synchrotron Radiation X-Ray Diffraction Study on Mn3Zn0.8Ni0.2N under High Pressure

1.
Department of Physics, School of Science, Beijing Institute of Technology, Beijing 100081, China;
2.
Center of Condensed Matter and Materials Physics, School of Science, Beihang University, Beijing 100083, China;
3.
Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
4.
Synchrotron Radiation Laboratory, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China

摘要

摘要: 利用金刚石对顶压砧，对钙钛矿型金属锰化物Mn3Zn0.8Ni0.2N进行了原位高压同步辐射角散X射线衍射研究。研究表明，在0~29.9 GPa的压力区间内，样品没有发生结构相变，因而在该压力下样品的物性变化并非由结构相变所导致。卸压以后，样品的特征峰都回到了初始位置。通过Birch-Murnaghan方程，拟合得到了样品的体弹模量为86.5 GPa。
- 反钙钛矿结构 /
- 高压 /
- 同步辐射 /
- 体弹模量
Abstract: The structural stability of Mn3Zn0.8Ni0.2N was investigated up to 29.9 GPa by in situ angle dispersive X-ray diffraction using synchrotron radiation source and a diamond anvil cell. No structural phase transition was observed in the pressure range of 0-29.9 GPa. This result indicates that the changes in the physical properties of Mn3Zn0.8Ni0.2N under pressure are not induced by structural phase transition. Through fitting the Birch-Murnaghan equation, we obtain the bulk modulus B0= 86.5 GPa for Mn3Zn0.8Ni0.2N, assuming its first order derivative B0=4 at ambient pressure.
- anti-perovskite /
- high pressure /
- synchrotron X-ray diffraction /
- bulk modulus

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参考文献(13)

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