TY - JOUR

T1 - Thermodynamic properties of itinerant electrons in magnetic superlattices. Magnetic coupling and magnetoresistance

AU - Kazansky, A.K.

AU - Uzdin, V.M.

PY - 1994

Y1 - 1994

N2 - The itinerant electron subsystem of the superlattice of nonmagnetic mediators and magnetic slabs is considered. It is argued that the electrons are confined (in the transverse to the interface direction) in a set of quantum wells. These sets are different for the ferro- and antiferromagnetic ordering of the slabs. As a result, the difference of the energies (per unit volume) for these two types of orderings, which depend on the mediator thickness, change sign regularly. Such behaviour reproduces the oscillations of the antiferromagnetic exchange coupling strength. A qualitative description of the giant magnetoresistance is presented. The results of preliminary calculations are in reasonable correspondence with the experimental data. © 1994.

AB - The itinerant electron subsystem of the superlattice of nonmagnetic mediators and magnetic slabs is considered. It is argued that the electrons are confined (in the transverse to the interface direction) in a set of quantum wells. These sets are different for the ferro- and antiferromagnetic ordering of the slabs. As a result, the difference of the energies (per unit volume) for these two types of orderings, which depend on the mediator thickness, change sign regularly. Such behaviour reproduces the oscillations of the antiferromagnetic exchange coupling strength. A qualitative description of the giant magnetoresistance is presented. The results of preliminary calculations are in reasonable correspondence with the experimental data. © 1994.

M3 - Article

SP - 287

EP - 293

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 3

ER -