Ferromagnetic Sc-doped AlN sixfold-symmetrical hierarchical nanostructures | Zendy

Weiwei Lei | Zendy; D. Liu | Zendy; P.W. Zhu | Zendy; Xiangyan Chen | Zendy; Qiang Zhao | Zendy; Gehui Wen | Zendy; Qiliang Cui | Zendy; Guangtian Zou | Zendy

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Ferromagnetic Sc-doped AlN sixfold-symmetrical hierarchical nanostructures

Author(s) -

Weiwei Lei,

D. Liu,

P.W. Zhu,

Xiangyan Chen,

Qiang Zhao,

Gehui Wen,

Qiliang Cui,

Guangtian Zou

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3248257

Subject(s) - materials science , ferromagnetism , dopant , coercivity , raman spectroscopy , magnetization , doping , nanostructure , magnetic semiconductor , ferromagnetic material properties , condensed matter physics , analytical chemistry (journal) , nanotechnology , optoelectronics , magnetic field , chemistry , optics , physics , quantum mechanics , chromatography

Sc-doped AlN (AlN:Sc) sixfold-symmetrical hierarchical nanostructures were grown by direct current (dc) arc discharge plasma method using the direct reaction of Al and Sc metals with N2 gas. Energy-dispersive x-ray spectroscopy, x-ray diffractometry, and Raman spectra analysis clearly showed that Sc was doped in the AlN hierarchical nanostructures. The magnetization curves indicate the existence of room-temperature ferromagnetic behavior. The saturation magnetization and the coercive fields (Hc) of the AlN:Sc nanostructures are about 0.04 emu g-1 and 200 Oe, respectively. The results reveal that Sc is a potential nonmagnetic dopant for preparing diluted magnetic semiconductor nanomaterials. © 2009 American Institute of Physics.

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