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Title: Electronic structure of ferromagnetic semiconductor material on the monoclinic and rhombohedral ordered double perovskites La{sub 2}FeCoO{sub 6}

Double perovskite La{sub 2}FeCoO{sub 6} with monoclinic structure and rhombohedra structure show as ferromagnetic semiconductor based on density functional theory calculation. The ferromagnetic semiconductor state can be well explained by the superexchange interaction. Moreover, the ferromagnetic semiconductor state remains under the generalized gradient approximation (GGA) and GGA plus onsite Coulomb interaction calculation.
Authors:
;  [1] ;  [2] ;  [1] ;  [3]
  1. Department of Physics, National Taiwan University, Taipei 106, Taiwan (China)
  2. (China)
  3. Center for General Education and Department of Physics, National Taiwan Normal University, Taipei 106, Taiwan (China)
Publication Date:
OSTI Identifier:
22409988
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 117; Journal Issue: 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; APPROXIMATIONS; COBALT OXIDES; COULOMB FIELD; DENSITY FUNCTIONAL METHOD; ELECTRONIC STRUCTURE; IRON COMPOUNDS; LANTHANUM COMPOUNDS; MONOCLINIC LATTICES; PEROVSKITE; TRIGONAL LATTICES