Bias Voltage and Temperature Dependence of Hot Electron Magnetotransport

Details Bias Voltage and Temperature Dependence of Hot Electron Magnetotransport Bias Voltage and Temperature Dependence of Hot Electron Magnetotransport

2001-05-08

arxiv.org/abs/cond-mat/0105173v1

Physics

Condensed Matter

Scientific paper

10.1103/PhysRevB.65.132401

We present a qualitative model study of energy and temperature dependence of hot electron magnetotransport. This model calculations are based on a simple argument that the inelastic scattering strength of hot electrons is strongly spin and energy dependent in the ferromagnets. Since there is no clear experimental data to compare with this model calculations, we are not able to extract clear physics from this model calculations. However, interestingly this calculations display that the magnetocurrent increases with bias voltage showing high magnetocurrent if spin dependent imaginary part of proper self energy effect has a substantial contribution to the hot electron magnetotransport. Along with that, the hot electron magnetotransport is strongly influence by the hot electron spin polarization at finite temperatures.

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