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Title: Low field colossal anisotropic magnetoresistance in spatially confined electronically phase separated La{sub 0.3}Pr{sub 0.4}Ca{sub 0.3}MnO{sub 3} microbridges

Colossal in-plane anisotropic magnetoresistance (AMR) of >16‚ÄČ000% has been engineered in spatially confined La{sub 0.3}Pr{sub 0.4}Ca{sub 0.3}MnO{sub 3} films. Recalling that typical AMR values in films are only a few percent, these results mark an astonishing increase that might potentially lead to fabrication of manganite-based switching and sensor devices. The unique colossal behavior is discussed within the context of anisotropic domain growth.
Authors:
; ; ;  [1]
  1. Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1 (Canada)
Publication Date:
OSTI Identifier:
22489055
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 107; Journal Issue: 5; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ANISOTROPY; ENGINEERS; FABRICATION; FILMS; MAGNETORESISTANCE; SENSORS