1. Injectional Equilibrium Spin Polarization in a Magnetic Transition, Taking into Account the Electron Spin Mobility
- Author
-
O. A. Byshevsky-Konopko, Ansar R. Safin, L. A. Fomin, E. A. Vilkov, S. G. Chigarev, and S. A. Nikitov
- Subjects
010302 applied physics ,Physics ,Radiation ,Condensed matter physics ,Spin polarization ,Terahertz radiation ,Non-equilibrium thermodynamics ,020206 networking & telecommunications ,02 engineering and technology ,Electron ,Condensed Matter Physics ,01 natural sciences ,Electronic, Optical and Magnetic Materials ,Ferromagnetism ,0103 physical sciences ,0202 electrical engineering, electronic engineering, information engineering ,Condensed Matter::Strongly Correlated Electrons ,Electrical and Electronic Engineering ,Current (fluid) ,Current density ,Order of magnitude - Abstract
Taking into account the electron spin mobility, the paper considers the numerical solution to the equation for nonequilibrium spin polarization at the boundary of a magnetic contact with a current formed by two ferromagnets. The frequencies of spin injection radiation are calculated. It is shown that at a certain current density exceeding the threshold value, these frequencies lie in the terahertz frequency range. It was found that for the same terahertz frequency range, even for small values of the difference in the mobility of electrons with spin up and down, the current density can be two orders of magnitude lower than the current density with the same mobility.
- Published
- 2020