Magnetic Characterizations of Sol-Gel-Produced Mn-Doped ZnO | Zendy

Ramazan Asmatulu | Zendy; Henry W. Haynes | Zendy; Manish Shinde | Zendy; YuShan Lin | Zendy; Y. Y. Chen | Zendy; J.C. Ho | Zendy

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Magnetic Characterizations of Sol-Gel-Produced Mn-Doped ZnO

Author(s) -

Ramazan Asmatulu,

Henry W. Haynes,

Manish Shinde,

YuShan Lin,

Y. Y. Chen,

J.C. Ho

Publication year - 2010

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2010/715282

Subject(s) - materials science , antiferromagnetism , ferromagnetism , crystallite , paramagnetism , high resolution transmission electron microscopy , condensed matter physics , transmission electron microscopy , magnetic semiconductor , doping , ion , curie temperature , crystallography , nanotechnology , optoelectronics , chemistry , physics , quantum mechanics , metallurgy

Nanoparticles of ZnO doped with 6 at.% Mn were produced by a sol-gel method. X-ray diffraction confirms the hexagonal structure as that of the parent compound ZnO, and high-resolution electron transmission microscopy reveals a single-crystallite lattice. Magnetic measurements using a superconducting quantum interference device indicate that about one half of the Mn2+ ions follow Curie's law for paramagnetism. The remaining Mn2+ ions exhibit a weak ferromagnetic character, which might be induced through canted antiferromagnetic interactions

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