CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Magnetism modulation in Cu-doped AlN via coupling between AlN thin film and ferroelectric substrate
Luo, JT; Kang, XY; Fan, B; Zeng, F; Pan, F; Fan, P; Jiang, Z; Wang, Y
2015
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume618Pages:236—239
Subtype期刊文献
AbstractCu-doped AlN (Cu:AlN) thin films were deposited on non-ferroelectric substrate (Si (1 1 1)) and ferroelectric substrates (LiTaO3 and LiNbO3) by direct current reactive magnetron sputtering. It was discovered that all the deposited Cu:AlN thin films showed room temperature ferromagnetism and the average magnetic moment (AMM) per Cu atom of the film increased with the decrease of the angle (theta) between AlN film plane and the c-axis of ferroelectric substrate. A giant AMM as high as 2.23 mu(B)/Cu was obtained when Cu:AlN thin film was deposited on LiTaO3(110) with 0 of 0 degree, while a small AMM of about 0.11 mu(B)/Cu was observed when Cu:AlN thin film was deposited on LiNbO3 (0 0 6) with 0 of 90 degrees. It was discovered that the AMM of the film increased with decreasing of 0. The ferromagnetism modulation was ascribed to the coupling between AlN piezoelectric film and ferroelectric substrate, resulting from the change of host lattice structure and spontaneous polarization of AlN thin film. The in-plane anisotropy of AMM and the annealing relaxation results confirmed the anomalous coupling. (C) 2014 Elsevier B.V. All rights reserved.
KeywordRoom-temperature Ferromagnetism Spintronics
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24499
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Luo, JT,Kang, XY,Fan, B,et al. Magnetism modulation in Cu-doped AlN via coupling between AlN thin film and ferroelectric substrate[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,618:236—239.
APA Luo, JT.,Kang, XY.,Fan, B.,Zeng, F.,Pan, F.,...&Wang, Y.(2015).Magnetism modulation in Cu-doped AlN via coupling between AlN thin film and ferroelectric substrate.JOURNAL OF ALLOYS AND COMPOUNDS,618,236—239.
MLA Luo, JT,et al."Magnetism modulation in Cu-doped AlN via coupling between AlN thin film and ferroelectric substrate".JOURNAL OF ALLOYS AND COMPOUNDS 618(2015):236—239.
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