Structural and magnetic properties of Ni1-xFex O thin films synthesized by pulsed laser deposition | Zendy

Weixiang Weng | Zendy; Yan Wen-Sheng | Zendy; Sun Zhi-Hu | Zendy; Tao Yao | Zendy; Guo Yu-Xian | Zendy; Feng Wang | Zendy; Wei Shi-Qiang | Zendy; Zhang Guobin | Zendy; Pengshou Xu | Zendy

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Structural and magnetic properties of Ni1-xFex O thin films synthesized by pulsed laser deposition

Author(s) -

Weixiang Weng,

Yan Wen-Sheng,

Sun Zhi-Hu,

Tao Yao,

Guo Yu-Xian,

Feng Wang,

Wei Shi-Qiang,

Zhang Guobin,

Pengshou Xu

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.5788

Subject(s) - materials science , pulsed laser deposition , ferromagnetism , x ray photoelectron spectroscopy , xanes , thin film , magnetic semiconductor , analytical chemistry (journal) , impurity , non blocking i/o , diffraction , doping , deposition (geology) , absorption edge , ferromagnetic material properties , spectroscopy , nuclear magnetic resonance , condensed matter physics , optics , optoelectronics , magnetization , nanotechnology , band gap , magnetic field , chemistry , paleontology , physics , sediment , biology , biochemistry , chromatography , quantum mechanics , catalysis , organic chemistry

Pulsed laser deposition (PLD) method was used to fabricate Ni1-xFexO (x=0.020.05) dilute magnetic semiconductor thin films with room temperature ferromagnetism. For the Ni0.98Fe0.03O sample with a lower Fe contentthe crystalline structures of the Ni1-xFexO films are of the NaCl type as determined by X-ray diffraction. For the Ni0.95Fe0.05O sample with a higher Fe contentsome additional weak diffraction peaks corresponding to α-Fe2O3 phase can be observed. From the X-ray absorption near edge structure (XANES) and X-ray photoelectron spectroscopy (XPS) it is shown that the doped Fe impurities in Ni0.98Fe0.02O are substitutionally incorporated into the NiO host and no secondary phases with room temperature ferromagnetism are found. These results show the intrinsic ferromagnetism of the Ni1-xFexO samples.

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