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Synthesis and room temperature ferromagnetism in Fe-doped CuAlO2 semiconductor

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Abstract

The synthesis and characterization of Fe-doped CuAlO2 semiconductor were reported. The samples were synthesized by a simple and cost effective spin-on technique from solid state reaction of Cu2O and Al2O3 on sapphire (001) substrate. Appropriate ethyl-cellulose (EC) and terpineol are useful for the formation of Fe-doped CuAlO2 films. X-ray diffraction (XRD) revealed the growth of pure delafossite CuAlO2 phase ruled out elemental metallic Fe clusters in all the Fe incorporated CuAlO2 films. The existence of ferromagnetism at room temperature is evidenced by well-defined hysteresis loops. Specially, the saturation magnetization (M s) values at room temperature have been monotonously enhanced with the increase of Fe composition from 1% to 5%.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China

    Chen Chen  (陈晨), Chengjun Dong, Jiangqiang Huang & Yiding Wang  (王一丁)

  2. Department of Materials Science, Jilin University, Changchun, 130012, China

    Chengjun Dong

  3. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China

    Biao Wang

Authors
  1. Chen Chen  (陈晨)
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  2. Chengjun Dong
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  3. Biao Wang
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  4. Jiangqiang Huang
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  5. Yiding Wang  (王一丁)
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Corresponding author

Correspondence to Yiding Wang  (王一丁).

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Funded by the National Natural Science Foundation of China (No. 61077074)

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Chen, C., Dong, C., Wang, B. et al. Synthesis and room temperature ferromagnetism in Fe-doped CuAlO2 semiconductor. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 28, 500–503 (2013). https://doi.org/10.1007/s11595-013-0720-7

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  • DOI: https://doi.org/10.1007/s11595-013-0720-7

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