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Proceedings Paper

Direct determination of level diagram in CdS by means of two-photon photoelectron spectroscopy
Author(s): Andrew V. Shepelev
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Paper Abstract

This paper reports an experimental study of the photoelectron energy distribution in the two-photon photoeffect in CdS under a relatively low excitation. A comparison with the luminescence spectrum obtained on the same sample reveals the energy levels in the forbidden zone. The photoelectron and luminescence spectra were measured under both separate and simultaneous excitation of CdS by He I lamp (21.2 eV) and nitrogen laser (3.7 eV). The maximum laser beam intensity at the sample did not exceed 50 kW/cm2 at a pulse length of 8 ns. A detailed description of the experimental arrangement and of the photoelectron spectrum measurement technique used is given elsewhere.

Paper Details

Date Published: 13 July 1994
PDF: 3 pages
Proc. SPIE 2228, Producibility of II-VI Materials and Devices, (13 July 1994); doi: 10.1117/12.179668
Show Author Affiliations
Andrew V. Shepelev, Central Design Bureau for Unique Instrumentation (Russia)

Published in SPIE Proceedings Vol. 2228:
Producibility of II-VI Materials and Devices
Herbert K. Pollehn; Raymond S. Balcerak, Editor(s)

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