UNSPECIFIED (1998) Periods and damping of the oscillatory exchange coupling across Cu(1-x)Ni-x alloy spacers. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 185 (3). pp. 293-304. ISSN 0304-8853

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Abstract

We study the magnetic interactions across spacer layers which are non-magnetic, metallic, binary solid solutions with concentration x. A theory for the exchange coupling across such disordered spacer layers based on a tight binding description of the electronic structure is developed and the asymptotic behavior of the coupling for large spacer thickness derived. The geometry of the Fermi surface obtained by KKR-CPA calculations is used to iind the evolution with x of the periods of the oscillatory exchange coupling across Cu(1-x)Ni-x spacers. The average of the mean-free path over the Fermi surfacer the residual resistivity as well as the exponential damping of the oscillation are also investigated. (C) 1998 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0304-8853
Date:	June 1998
Volume:	185
Number:	3
Number of Pages:	12
Page Range:	pp. 293-304
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/15667

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