mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal University10.26907/mrsej-19310mrisel-60Research ArticleСтатьиResonant magnetoresistance in double-barrier antiferromagnetic tunnel junctionUseinovN. Kh.

Kremlevskaya 18, Kazan 420008

Niazbeck.Useinov@kpfu.ruInstitute of Physics, Kazan Federal UniversityRussian Federation201919042019213SPECIAL ISSUE dedicated to Boris I. Kochelaev's 85th birthday19310 (13 pp.)Copyright © Useinov N.K., 20242024Useinov N.K.Useinov N.K.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/60

Resonant tunneling is studied theoretically for the asymmetric double-barrier antiferromagnetic tunnel junction (DAMTJ) with a bias voltage is applied. In this nanostructure, the direction of magnetization of the middle ferromagnetic layer is parallel (antiparallel) to the direction of magnetization of the top layer and antiparallel (parallel) to the direction of magnetization of the bottom ferromagnetic layer. Analytical expression for the transmission coefficient of the double-barrier nanostructure is received, which is expressed through single-barrier transmission coefficients taking into account the voltage drop on each barrier and spin degrees of freedom of the electron conductivity. The theoretical model of spin-polarized conductance and tunnel magnetoresistance in asymmetric DAMTJ in the quasi-classical approximation is developed. The dependences of the transmission coefficient and tunnel magnetoresistance on the applied voltage under resonant conditions are shown.

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The authors declare that there are no conflicts of interest present.