Sublinear temperature dependence of resistivity in metallic heterogeneous ferromagnets at high magnetic fields

I. Korenblit; A. Gerber; A. Milner; M. Karpovsky

doi:10.1103/PhysRevB.59.131

Sublinear temperature dependence of resistivity in metallic heterogeneous ferromagnets at high magnetic fields

I. Korenblit, A. Gerber, A. Milner, M. Karpovsky

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The high field resistivity of metallic Co-Ag films is found to follow the unusual sublinear ((Formula presented)) temperature dependence. The effect is argued to be caused by a strongly enhanced electronic scattering by small magnetic moments embedded in the matrix of the macroscopically magnetized heterogeneous ferromagnet. The mechanism is shown to be an important contribution to the giant magnetoresistance effect and is relevant for both granular and multilayered systems with frozen or loose magnetic moments.

Original language	English
Pages (from-to)	131-134
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	59
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.59.131
State	Published - 1999

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10.1103/PhysRevB.59.131

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abstract = "The high field resistivity of metallic Co-Ag films is found to follow the unusual sublinear ((Formula presented)) temperature dependence. The effect is argued to be caused by a strongly enhanced electronic scattering by small magnetic moments embedded in the matrix of the macroscopically magnetized heterogeneous ferromagnet. The mechanism is shown to be an important contribution to the giant magnetoresistance effect and is relevant for both granular and multilayered systems with frozen or loose magnetic moments.",

author = "I. Korenblit and A. Gerber and A. Milner and M. Karpovsky",

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Sublinear temperature dependence of resistivity in metallic heterogeneous ferromagnets at high magnetic fields

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