Electric Field Controlled Itinerant Carrier Spin Polarization in Ferromagnetic Semiconductors | Zendy

Gezahegn Assefa | Zendy

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Electric Field Controlled Itinerant Carrier Spin Polarization in Ferromagnetic Semiconductors

Author(s) -

Gezahegn Assefa

Publication year - 2021

Publication title -

advances in condensed matter physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.314

H-Index - 26

eISSN - 1687-8124

pISSN - 1687-8108

DOI - 10.1155/2021/6663876

Subject(s) - spintronics , condensed matter physics , electric field , spins , magnetism , ferromagnetism , spin polarization , polarization density , multiferroics , magnetic semiconductor , physics , semiconductor , polarization (electrochemistry) , magnetic field , spin (aerodynamics) , materials science , magnetization , optoelectronics , ferroelectricity , quantum mechanics , electron , chemistry , thermodynamics , dielectric

Electric field control of magnetic properties has been achieved across a number of different material systems. In diluted magnetic semiconductors (DMSs), ferromagnetic metals, multiferroics, etc., electrical manipulation of magnetism has been observed. Here, we study the effect of an electric field on the carrier spin polarization in DMSs ( GaAsMn ); in particular, emphasis is given to spin-dependent transport phenomena. In our system, the interaction between the carriers and the localized spins in the presence of electric field is taken as the main interaction. Our results show that the electric field plays a major role on the spin polarization of carriers in the system. This is important for spintronics application.

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