Tunable band gap and transition between antiferromagnetism and ferromagnetism by surface adsorption in single-layer FePS3
Tunable band gap and transition between antiferromagnetism and ferromagnetism by surface adsorption in single-layer FePS3
复制标题
单层 FePS3 表面吸附可调节带隙以及反铁磁性和铁磁性之间的转变
DOI:
10.1007/s10854-021-07386-0
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发表时间:
2021-11
期刊:
影响因子:
--
通讯作者:
Song Changsheng
中科院分区:
文献类型:
--
作者:
Wu Xiaoping;Shen Zhong;Xiao Wen;Yang Jiaquan;Song Changsheng
The electronic and magnetic characteristics of two-dimensional materials have been the focus of attention in order to a wider range of spintronic applications. By using first-principles calculations, H atomic adsorption converts single-layer FePS3from semiconductor to half-metal while Li makes it to metal. We also find that the magnetic ground state of intrinsic FePS3can be converted from antiferromagnetic to ferromagnetic by adsorbing H atoms, while alkali-metal atoms have no effect on it. Furthermore, the magnetic ground state is found sensitive to the numbers of H adatom on the surface of FePS3and demonstrates a vibration behavior. The present findings regarding a surface-adsorption-tuned bandgap and magnetism controlled by the adsorption concentration in a two-dimensional van der Waals magnets could lead to potential applications in next-generation magnetic memory storage, sensors and spintronic.
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影响因子:
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