Peculiarly strong room-temperature ferromagnetism from low Mn-doping in ZnO grown by molecular beam epitaxy | Zendy

Zheng Zuo | Zendy; Muhammad Morshed | Zendy; W. P. Beyermann | Zendy; JianGuo Zheng | Zendy; Yan Xin | Zendy; Jianlin Liu | Zendy

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Peculiarly strong room-temperature ferromagnetism from low Mn-doping in ZnO grown by molecular beam epitaxy

Author(s) -

Zheng Zuo,

Muhammad Morshed,

W. P. Beyermann,

JianGuo Zheng,

Yan Xin,

Jianlin Liu

Publication year - 2013

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4794799

Subject(s) - ferromagnetism , molecular beam epitaxy , condensed matter physics , doping , magnetic moment , dopant , materials science , hall effect , magnetic anisotropy , magnetic semiconductor , anisotropy , epitaxy , magnetization , nanotechnology , magnetic field , physics , optics , layer (electronics) , quantum mechanics

Strong room-temperature ferromagnetism is demonstrated in single crystalline Mn-doped ZnO thin films grown by molecular beam epitaxy. Very low Mn doping concentration is investigated, and the measured magnetic moment is much larger than what is expected for an isolated ion based on Hund's rules. The ferromagnetic behavior evolves with Mn concentration. Both magnetic anisotropy and anomalous Hall effect confirm the intrinsic nature of ferromagnetism. While the Mn dopant plays a crucial role, another entity in the system is needed to explain the observed large magnetic moments

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