Phase separation and zero thermal expansion in antiperovskite Mn3Zn0.77Mn0.19N0.94: An in situ neutron diffraction investigation
Phase separation and zero thermal expansion in antiperovskite Mn3Zn0.77Mn0.19N0.94: An in situ neutron diffraction investigation
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反钙钛矿 Mn3Zn0.77Mn0.19N0.94 中的相分离和零热膨胀:原位中子衍射研究
DOI:
10.1016/j.scriptamat.2017.10.031
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发表时间:
2018-03
影响因子:
6
通讯作者:
Cong Wang
中科院分区:
文献类型:
--
作者:
Sihao Deng;Ying Sun;Hui Wu;Zaixing Shi;Lei Wang;Jun Yan;Kewen Shi;Pengwei Hu;Xungang Diao;Qingzhen Huang;Christoph Sürgers;Cong Wang
The antiperovskite Mn3Zn0.77Mn0.19N0.94was investigated byin situneutron powder diffraction (NPD) in the temperature region 5–300 K. Here, a noncollinear-antiferromagnetic/collinear-ferrimagnetic phase separation (PS) showing different lattice parameters was firstly revealed in antiperovskites. The NPD results prove that the noncollinear antiferromagnetic phase, even coexisting with the collinear ferrimagnetic phase, could be responsible for the zero thermal expansion behavior of Mn3Zn0.77Mn0.19N0.94below 110 K. These findings suggest that Mn3ZnN based materials could open a new avenue for further exploring the noncollinear magnetic PS and correlated physical properties of antiperovskites.
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影响因子:
3.7
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3.7
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