Abstract
2D-electron heating in a potential well of a single n-(AlAs) x (GaAs)1–x /i-GaAs (x = 0.28) heterojunction is studied for the cases of a classical (weak) magnetic field B and constant and pulsed electric fields at fixed temperatures 77 and 4.2 K. It is shown that the heating of two-dimensional electrons is similar to that of the bulk ones. The magnetic field cools electrons, and this is manifested in the shifts of the characteristic critical electric fields E c 1 and E c 2 and in the regions of nonlinearity of voltage-current characteristics. The dependence of the effective electron temperature on the electric field T e(E)B is determined.
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Kadushkin, V.I. 2D-Electron Heating in Electric and Magnetic Crossed Fields. Russian Physics Journal 47, 594–599 (2004). https://doi.org/10.1023/B:RUPJ.0000047839.41307.b4
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DOI: https://doi.org/10.1023/B:RUPJ.0000047839.41307.b4