THEORETICAL CALCULATIONS OF THE RELATION BETWEEN THE GIANT MAGNETORESISTANCE IN Fe/Cr SUPERLATTICES | Zendy

WU JIAN-HUA | Zendy; BoZang Li | Zendy; FuCho Pu | Zendy; MEI LIANG-MO | Zendy

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THEORETICAL CALCULATIONS OF THE RELATION BETWEEN THE GIANT MAGNETORESISTANCE IN Fe/Cr SUPERLATTICES

Author(s) -

WU JIAN-HUA,

BoZang Li,

FuCho Pu,

MEI LIANG-MO

Publication year - 1994

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.43.110

Subject(s) - condensed matter physics , superlattice , magnetoresistance , antiferromagnetism , formalism (music) , giant magnetoresistance , physics , perpendicular , electron , magnetic field , materials science , quantum mechanics , mathematics , geometry , art , musical , visual arts

Based on the phenomenological theory of Camley and Barnas and coworkers (C-B), the dependence of magnetoresistance in Fe/Cr multilayers on the applied magne-tic field is calculated. In these multilayers an antiferromagnetic coupling exists between any two adjacent Fe-layers. The applied magnetic field is either parallel or perpendicular to the layers. Good agreement of the calculated results with the experimental ones is found. The symmetry implicitly involved in the C-B theory is disclosed and is used to simplify the original C-B formalism, this leads to the closed expressions for the distribution function of conducting electrons and for magnetore-sistance.

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