Structural and magnetic properties of Fe sub(2)CoGa Heusler nanoparticles

Fe sub(2)CoGa Heusler nanoparticles are synthesized by a chemical method. The structure and magnetic properties of Fe sub(2)CoGa Heusler nanoparticles are investigated by x-ray diffraction, extended x-ray absorption fine structure and Moessbauer spectroscopy. The crystal structure of Fe sub(2)CoGa n...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2012-07, Vol.45 (29), p.295001-1-7
Main Authors: Wang, C, Casper, F, Gasi, T, Ksenofontov, V, Balke, B, Fecher, G H, Felser, C, Hwu, Y-K, Lee, J-J
Format: Article
Language:English
Subjects:
Crystal structure
Diffraction
Fine structure
Magnetic moment
Magnetic properties
Nanoparticles
Spectroscopy
X-rays
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Summary:Fe sub(2)CoGa Heusler nanoparticles are synthesized by a chemical method. The structure and magnetic properties of Fe sub(2)CoGa Heusler nanoparticles are investigated by x-ray diffraction, extended x-ray absorption fine structure and Moessbauer spectroscopy. The crystal structure of Fe sub(2)CoGa nanoparticles is described by the X-type structure (prototype: Li sub(2)AgSb). Magnetic measurements reveal the presence of small Fe sub(2)CoGa nanoparticles and lower magnetic moments compared with the theoretically predicted values.
ISSN:0022-3727
DOI:10.1088/0022-3727/45/29/295001