Nonlinear fir magneto-photoconductivity on quasi-bound Coulomb states of light holes in high purity p-Ge

URN to cite this document:: urn:nbn:de:bvb:355-epub-170681
DOI to cite this document:: 10.5283/epub.17068

Jungwirt, G. ; Kropf, R. ; Prettl, Wilhelm

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Date of publication of this fulltext: 18 Oct 2010 11:34

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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 ...