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Giant magnetoresistance in pyrochlore Tl2− xInxMn2O7

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
98
Issue
2
Identifiers
DOI: 10.1016/0038-1098(96)00034-8
Keywords
  • A. Magnetically Ordered Materials
  • D. Electronic Transport

Abstract

Abstract We report the giant magnetoresistance (GMR) effect in the first non-perovskite compound Tl 2Mn 2O 7 forming in the pyrochlore structure. Our results, furthermore, show that the GMR is greatly enhanced in the miscibility gap region of the quasi-binary phase of Tl 2Mn 2O 7In 2Mn 2O 7. Our findings should invigorate the exploration of new GMR materials as well as possible utilization of phase mixing to enhance the GMR effect.

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