Structural and magnetic properties of chemically synthesized Fe doped ZnO

Title
Structural and magnetic properties of chemically synthesized Fe doped ZnO
Authors
Shalendra KumarY. J. KimB. H. KooS. K. SharmaJ. M. VargasM. KnobelSanjeev Gautam채근화D. K. KimY. K. KimC. G. Lee
Keywords
ZnO; NEXAFS
Issue Date
2009-04
Publisher
Journal of applied physics
Citation
VOL 105, 07C520-1-07C520-3
Abstract
We report on the synthesis of Fe-doped ZnO with nominal composition of Zn0.99Fe0.01O by using a coprecipitation method. X-ray diffraction and selective area electron diffraction studies reveal a single phase wurtzite crystal structure without any secondary phase. Field emission transmission electron microscopy measurements infer that Zn0.99Fe0.01O have nanorod-type microstructures. Magnetic hysteresis measurement performed at different temperatures show that Zn0.99Fe0.01O exhibits a weak ferromagnetic behavior at room temperature. A detailed investigation of the electronic and local structure using O K-, Fe L3,2 near edge x-ray absorption fine structure suggests that Fe is substituting Zn in ZnO matrix and is in Fe3+ state.
URI
http://pubs.kist.re.kr/handle/201004/35030
ISSN
0021-8979
Appears in Collections:
KIST Publication > Article
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