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

URN to cite this document:
Jungwirt, G. ; Kropf, R. ; Prettl, Wilhelm
Date of publication of this fulltext: 18 Oct 2010 11:34


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 ...


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