Photocurrent theory based on coordinate dependent lifetime.
Recent work by Pejova [Mater. Res. Bull. 43, 2887 (2008)] showed that the widely cited classical photocurrent theory of DeVore [Phys. Rev. 102, 86 (1956)] does not necessarily apply for photocurrent experiments carried out on thin-film semiconductors. In this Letter, we theoretically and experimentally justify the successful use of the photocurrent model published by Bouchenaki et al. [J. Opt. Soc. Am. B 8, 691 (1991)].
Air Force Research Laboratory, Materials & Manufacturing Directorate, Wright Patterson AFB, Ohio 45433-7707, USA. bruno.ullrich.ctr@wpafb.af.mil
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