Tunnel magnetoresistance and spin transfer torque in magnetic tunnel junction with embedded nanoparticles

The theoretical model of spin-dependent transport in magnetic tunnel junctions (MTJ) containing magnetic or non-magnetic nanoparticle is developed. The dependences of tunnel magnetoresistance (TMR) and in-plane component of spin transfer torque (STT) on the applied voltage for various sizes of nanop...

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Bibliographic Details
Main Author: Useinov, Niazbeck
Format: Conference Proceeding
Language:English
Subjects:
Conduction electrons
Insulating layers
Magnetoresistance
Magnetoresistivity
Nanoparticles
Torque
Transport
Tunnel junctions
Tunnel magnetoresistance
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Summary:The theoretical model of spin-dependent transport in magnetic tunnel junctions (MTJ) containing magnetic or non-magnetic nanoparticle is developed. The dependences of tunnel magnetoresistance (TMR) and in-plane component of spin transfer torque (STT) on the applied voltage for various sizes of nanoparticles of the order of the mean free path of the conduction electron are calculated. The calculation is performed in the approximation of the ballistic transport of conduction electrons through the insulating layers of the MTJ and the nanoparticles.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201818501015