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Title: Magnetic field induced discontinuous spin reorientation in ErFeO{sub 3} single crystal

The spin reorientation of ErFeO{sub 3} that spontaneously occurs at low temperature has been previously determined to be a process involving the continuous rotation of Fe{sup 3+} spins. In this work, the dynamic process of spin reorientation in ErFeO{sub 3} single crystal has been investigated by AC susceptibility measurements at various frequencies and static magnetic fields. Interestingly, two completely discontinuous steps are induced by a relatively large static magnetic field due to the variation in the magnetic anisotropy during this process. It provides deeper insights into the intriguing magnetic exchange interactions which dominate the sophisticated magnetic phase transitions in the orthoferrite systems.
Authors:
 [1] ;  [2] ; ; ;  [3] ;  [1] ; ;  [4]
  1. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418 (China)
  2. (Australia)
  3. Institute for Superconducting and Electronic Materials, University of Wollongong, NSW 2500 (Australia)
  4. Department of Physics, Shanghai University, Shanghai 200444 (China)
Publication Date:
OSTI Identifier:
22254122
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 103; Journal Issue: 19; Other Information: (c) 2013 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; EXCHANGE INTERACTIONS; IRON IONS; MAGNETIC FIELDS; MONOCRYSTALS; SPIN