Room-temperature ferromagnetism and in-plane magnetic anisotropy characteristics of nonpolar GaN:Mn films |
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| Authors: | Lili Sun Fawang Yan Huixiao Zhang Junxi Wang Guohong Wang Yiping Zeng Jinmin Li |
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| Affiliation: | Semiconductor Lighting Technology Research and Development Center, Institute of Semiconductors, Chinese Academy of Sciences, Qinghua East Road A35, Beijing 100083, People's Republic of China |
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| Abstract: | Diluted magnetic nonpolar GaN:Mn films have been fabricated by implanting Mn ions into nonpolar a-plane ( ) p-type GaN films and a subsequent rapid thermal annealing process. The ferromagnetism properties of the films were studied by means of superconducting quantum interference device (SQUID). Clearly in-plane magnetic anisotropy characteristics of the sample at 10 K were revealed with the direction of the applied magnetic field rotating along the in-plane [0 0 0 1]-axis. Moreover, obvious ferromagnetic properties of the sample up to 350 K were detected by means of the temperature-dependent SQUID. |
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| Keywords: | 75.50.Pp 81.05.Ea 81.15.Gh 85.40.Ry |
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