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Hysteresis loops and susceptibility of ferromagnetic or ferrimagnetic bilayer system
Author(s) -
Jiang Wei,
Bai BaoDong
Publication year - 2006
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.200541244
Subject(s) - ferrimagnetism , condensed matter physics , ferromagnetism , bilayer , hysteresis , magnetization , magnetic susceptibility , magnetic hysteresis , spins , materials science , magnetic field , monolayer , physics , chemistry , nanotechnology , quantum mechanics , membrane , biochemistry
The hysteresis loops and susceptibility of a ferromagnetic or ferrimagnetic bilayer system consisting of two magnetic monolayers ( A and B ) with different spins ( S A = 1/2 and S B = 3/2) in the presence of the crystal field in the monolayer B have been studied. Within the effective‐field theory based on the differential operator technique, the effects of the external longitudinal magnetic field on the magnetization and susceptibility of the honeycomb lattice are discussed in detail. We show that by choice of the temperature the hysteresis loops can be varied over a very wide range. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)