NONLINEAR FIR MAGNETO-PHOTOCONDUCTIVITY ON QUASI-BOUND COULOMB STATES OF LIGHT HOLES IN HIGH-PURITY P-GE

JUNGWIRT, G and KROPF, R and PRETTL, W (1991) NONLINEAR FIR MAGNETO-PHOTOCONDUCTIVITY ON QUASI-BOUND COULOMB STATES OF LIGHT HOLES IN HIGH-PURITY P-GE. INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES, 12 (7). pp. 729-744. ISSN 0195-9271,

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Abstract

The far-infrared magneto-photoconductivity due to optical transitions from the acceptor ground state into quasi-bound Coulomb states in p-Ge has been investigated at low temperatures as a function of intensity applying a high-power cw molecular laser. For intensities above about 1 mW/cm2 the photoconductive signal shows a square root dependence on intensity, which is attributed to nonlinear free carrier capture in the low compensated material. The experimental results are analyzed in terms of a rate equation model yielding the kinetic parameters of the carrier generation- and recombination process involved.

Item Type: Article
Uncontrolled Keywords: N-GAAS; QUANTUM RESONANCES; IMPACT IONIZATION; VALENCE BANDS; SEMICONDUCTORS; TRANSITION; GERMANIUM; FIELD; SEMICONDUCTORS; SHALLOW ACCEPTORS; FAR-INFRARED MAGNETOSPECTROSCOPY; OPTICAL SATURATION
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:46
URI: https://pred.uni-regensburg.de/id/eprint/54961

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