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Exchange bias induced after zero‐field cooling in antiperovskite compounds Ga 1– x NMn 3+ x
Author(s) -
Lin J. C.,
Tong P.,
Cui D. P.,
Yang C.,
Lin S.,
Lu W. J.,
Wang B. S.,
Zhao B. C.,
Sun Y. P.
Publication year - 2015
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.201451389
Subject(s) - antiperovskite , exchange bias , magnetic refrigeration , ferromagnetism , anisotropy , magnetization , condensed matter physics , isothermal process , materials science , valency , field (mathematics) , magnetic anisotropy , thermodynamics , magnetic field , layer (electronics) , composite material , physics , mathematics , optics , quantum mechanics , nitride , pure mathematics , linguistics , philosophy
Zero‐field cooling (ZFC) exchange bias (EB) was observed in antiperovskite compounds Ga 1– x NMn 3+ x ( x = 0.06 and 0.1). The existence of ferromagnetic (FM) clusters has been demonstrated in a spin glass (SG) matrix. The ZFC‐EB is suggested to originate from the unidirectional anisotropy formed isothermally along the FM/SG interface. For this typical physical system, both ways including the initial magnetization process and FC process could result in the unidirectional anisotropy. In addition, the training effect after ZFC is similar to those observed in conventional FC‐EB systems.