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Periods and damping of the oscillatory exchange coupling across Cu(1-x)Ni-x alloy spacers
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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 | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0304-8853 | ||||
Official Date: | June 1998 | ||||
Dates: |
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Volume: | 185 | ||||
Number: | 3 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 293-304 | ||||
Publication Status: | Published |
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