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Positive magnetoresistance induced by fan-type phases in a spin-spiral magnet

Abstract:

We report on the positive magnetoresistance (MR) that accompanies the onset of fan-type magnetic structures in an epitaxially grown Dy/Y superlattice (SL). We find that MR ratios for current perpendicular to plane (CPP) and in-plane (CIP) geometries yield comparable values and a similar nonmonotonic dependence on the applied magnetic field H and temperature, which result in a maximum MR∼0.45% at T=110 K. We demonstrate that the rise in resistance is due to the increase in the number of superz...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.88.224407

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Journal:
Physical Review B
Volume:
88
Issue:
22
Publication date:
2013-12-06
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
Source identifiers:
445204
Language:
English
Pubs id:
pubs:445204
UUID:
uuid:4ecfe375-22fd-42d4-8bce-976b49060d91
Local pid:
pubs:445204
Deposit date:
2014-09-14

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