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Temperature dependence of GMR and effect of annealing on electrodeposited CoAg granular films

Garcia-Torres, J, Valls, E and Gómez, E (2010) Temperature dependence of GMR and effect of annealing on electrodeposited CoAg granular films Journal of Magnetism and Magnetic Materials, 322 (20). pp. 3186-3191.

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Abstract

The magnetoresistance of CoAg granular films composed of superparamagnetic and ferromagnetic particles was studied at different temperatures. The increase in the GMR values while decreasing temperature down to 20 K was quantified. The non-saturating behaviour of the MR(H) curves was retained even at the lowest measurement temperature, which was mainly attributed to the dipolar interaction among the superparamagnetic particles. The influence of the annealing conditions on the magnetoresistance was also studied. In all conditions, a decrease in the GMR values was measured being attributed to an increase in the particle size. © 2010 Elsevier B.V.

Item Type: Article
Authors :
NameEmailORCID
Garcia-Torres, JUNSPECIFIEDUNSPECIFIED
Valls, EUNSPECIFIEDUNSPECIFIED
Gómez, EUNSPECIFIEDUNSPECIFIED
Date : 1 October 2010
Identification Number : https://doi.org/10.1016/j.jmmm.2010.05.058
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:20
Last Modified : 17 May 2017 13:20
URI: http://epubs.surrey.ac.uk/id/eprint/838853

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