CHINESE JOURNAL OF PHYSICS VOL. 40, NO. 1 FEBRUARY 2002

The Order Parameters of a Transverse Ferromagnetic Superlattice with Antiferromagnetic Interface Coupling

M. Bentaleb, B. Laaboudi, and N. El Aouad

Départment de Physique, Faculté des Sciences,
Université Moulay Ismail, B.P. 4010,
Meknés, Morocco
(Received October 12, 2001)

We have studied the magnetic properties of a ferroelectric superlattice consisting of two ferromagnetics, with L_a layers of spins S_a and L_b layers of spins S_b with antiferromagnetic interface coupling. The two sublattice magnetizations and a total magnetization are calculated for different sets of interaction parameters and transverse field over the whole range of temperatures. We have obtained some interesting results such as the compensation temperature which is found when $S_a\neq S_b$ within a certain range of exchange interactions and decreases when the transverse field increases.

PACS. 05.50.+q - Lattice theory and statistics; Ising problems.

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