Moser, A. and Krey, Uwe and Paintner, A. and Zellermann, B. (1998) Ab-initio calculations of the GMR-effect in Fe/V multilayers. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 183 (3). pp. 272-282. ISSN 0304-8853, 1873-4766
Full text not available from this repository. (Request a copy)Abstract
In a self-consistent semi-empirical numerical approach based on ab-initio calculations for small samples, we evaluate the GMR effect for disordered (0 0 1)-(3-Fe/3-V)(infinity) multilayers by means of a Kubo formalism. We consider four different types of disorder arrangements: In case (i) and (ii), the disorder consists in the random interchange of some Fe and V atoms, respectively, at interface layers; in case (iii) in the formation of small groups of three substitutional Fe atoms in a V interface layer and a similar V group in a Fe layer at a different interface, and for case (iv) in the substitution of some V atoms in the innermost V layers by Fe. For cases (i) and (ii), depending on the distribution of the impurities, the GMR effect is enhanced or reduced by increasing disorder; in case (iii) the GMR effect is highest, whereas finally, in case (iv), a negative GMR is obtained ('inverse GMR'). (C) 1998 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SPIN-GLASS STATES; GIANT MAGNETORESISTANCE; ITINERANT MAGNETISM; AMORPHOUS FE; ALLOYS; RESISTIVITY; SCATTERING; INTERFACES; NI; MN; giant magnetoresistance effect; magnetic multilayers; ab initio calculations |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 28 Feb 2023 07:47 |
| Last Modified: | 28 Feb 2023 07:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/50055 |
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