Breakdown of the resistor model of CPP-GMR in magnetic multilayered nanostructures.

Sanvito, S. and Lambert, C. J. and Jefferson, J. H. (2000) Breakdown of the resistor model of CPP-GMR in magnetic multilayered nanostructures. Physical review B, 61 (20). pp. 14225-14228. ISSN 1098-0121

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Abstract

We study the effect on CPP GMR of changing the order of the layers in a multilayer. Using a tight-binding simple cubic two band model (s-d), magneto-transport properties are calculated in the zero-temperature, zero-bias limit, within the Landauer-Büttiker formalism. We demonstrate that for layers of different thicknesses formed from a single magnetic metal and multilayers formed from two magnetic metals, the GMR ratio and its dependence on disorder is sensitive to the order of the layers. This effect disappears in the limit of large disorder, where the results of the widely-used Boltzmann approach to transport are restored.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? qc physics ??
ID Code:
589
Deposited By:
Deposited On:
26 Jul 2007
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 11:26