Excitons in the preionization electric field of a Schottky barrier |
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| Authors: | A B Novikov B V Novikov H Röppischer A V Sel’kin N Stein R B Yuferev Yu A Bumai |
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| Institution: | (1) Scientific-Research Institute of Physics, St. Petersburg State University, 198904 St. Petrovorets, Russia |
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| Abstract: | The low-temperature (T=80 K) exciton reflectance spectra of CdS crystals in the electric field of a Schottky barrier are investigated. An anomalous
Stark shift of a hydrogenic exciton state is detected in the preionization limit. An analysis of the spectra within the theory
of a nonlocal dielectric response in a spatially inhomogeneous medium reveals the character of the subbarrier electric field
distribution.
Fiz. Tverd. Tela (St. Petersburg) 40, 879–880 (May 1998) |
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