Definite evidences for the population inversion of hot electrons in silver halides |
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Authors: | S Komiyama T Masumi K Kajita |
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Institution: | Department of Pure and Applied Sciences, University of Tokyo, Komaba, Tokyo 153, Japan;Department of Physics, University of Tokyo, Hongo, Tokyo 113, Japan |
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Abstract: | Hot electron kinetics and distribution in pure AgCl and AgBr at crossed electric and magnetic fields have been investigated at 4.2 K up to Ex = 4kVcm?1 and Hz = 58 kOe, by performing detailed studies of the galvanomagnetic effect in the transient condition. The results of measurements on the tangent of the Hall angle, tan θ, and on the probe current to the hot electron system along the direction of magnetic field, Qz, established the pictures of an ideal streaming motion of electrons in the range ζ < 1 where ζVLO (sEx/Hz)?1 and ] and of a population inversion of hot electrons in the range ζ > 1. |
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