Electric-field control of magnetic properties for amorphous Fe2O3/LiTaO3 thin film
Electric-field control of magnetic properties for amorphous Fe2O3/LiTaO3 thin film
复制标题
非晶 Fe2O3/LiTaO3 薄膜磁性能的电场控制
DOI：
10.1039/c8tc02588f
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发表时间：
2018-11
期刊：
影响因子：
--
通讯作者：
Jifan Hu
中科院分区：
文献类型：
--
作者：
Bin Cheng;Hongwei Qin;Zhongli Zhang;Weikang Liu;Tingting Miao;Jihao Xie;Liang Liu;Guangjun Zhou;Jifan Hu
Amorphous-Fe2O3/LiTaO3 film can exhibit weak ferromagnetism, which may arise from some inhomogeneous, non-collinear, ferromagnetic ordered clusters with short range order. A perpendicular electric field acting upon amorphous-Fe2O3/LiTaO3 film could adjust its magnetic properties at 300 K. The saturation magnetization (Ms) of amorphous-Fe2O3/LiTaO3 film could be enhanced by a positive electric field and reduced by a negative electric field. The change induced by an electric field, which was reversible and non-volatile, may be connected with the migration effects of Li+. The oscillation of the curve for the Ms dependent on the voltage may reflect complicated processes. These remarkable and important findings may inspire more in-depth research, and lead to an alternative approach to future magneto-electronic devices.
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