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Magnetic properties of nanocrystalline Fecu(x)Cu(1-x) alloys prepared by ball milling

Yousif, A.; Bouziane, K.; Elzain, M.E.; Ren, X.; Berry, Frank; Widatallah, H.M.; Al Rawas, A.; Gismelseed, A. and Al-Omari, I.A. (2004). Magnetic properties of nanocrystalline Fecu(x)Cu(1-x) alloys prepared by ball milling. Hyperfine Interactions, 156(1) pp. 213–221.

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X-ray diffraction, Mossbauer and magnetization measurements were used to study FexCu1-x alloys prepared by ball-milling. The X-ray data show the formation of a nanocrystalline Fe-Cu solid solution. The samples with xgreater than or equal to0.8 and xless than or equal to0.5 exhibit bcc or fcc phase, respectively. Both the bcc and fcc phases are principally ferromagnetic for xgreater than or equal to0.2, but the sample with x=0.1 remains paramagnetic down to 78 K. The influence of the local environment on the hyperfine parameters and the local magnetic moment are discussed using calculations based on the discrete-variational method in the local density approximation.

Item Type: Journal Article
ISSN: 0304-3843
Keywords: Fe–Cu alloys; nanocrystalline; bcc phase; fcc phase; magnetism
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Item ID: 5744
Depositing User: David Shuker
Date Deposited: 09 Nov 2006
Last Modified: 14 Jan 2016 16:16
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