Field-Induced Magnetic Phase Transitions and Rich Phase Diagram of HoMnO3 Single Crystal

被引:6
|
作者
Dong, Chao
Chen, Rui [1 ]
Liu, Yongjie
Liu, Congbin
Zhu, Haipeng
Ke, Jiezun
Liu, Wanxin
Yang, Ming
Wang, Junfeng [1 ]
机构
[1] Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Hubei, Peoples R China
来源
CRYSTALS | 2019年 / 9卷 / 08期
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
hexagonal manganite; magnetic transition; phase diagram; magnetic symmetry; HEXAGONAL MANGANITES;
D O I
10.3390/cryst9080419
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
An extensive magnetization study in pulsed fields up to 62 T and at temperatures down to similar to 0.7 K has been performed on the single crystals of hexagonal manganite HoMnO3. For magnetic fields (H) applied along the c-axis, successive magnetic transitions below 10 T and a step-like transition at similar to 41 T are observed. The phase diagram for H//c is very complex and new phase boundaries are explored below 6 K. This phase diagram is compared with the early results derived from dielectric constant and neutron scattering measurements. For H//a, two magnetic transitions are found below 3 T dome-shaped and the phase diagram is reported for the first time. The variety of magnetic symmetries of the field-induced magnetic phases is discussed.
引用
收藏
页数:7
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