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Photoconductivity in high purity,semiconducting CdF₂

Authors:	Bernard J. Feldman P.S. Pershan

Affiliation:	Division of Engineering and Applied Physics, Harvard University, Cambridge, Massachusetts 02138, USA

Abstract:	The photoconductivity spectra of high purity, semiconducting CdF₂, containing low concentrations of rare-earth donors, are interpreted in terms of a shallow trap 1260 ± 100 cm⁻¹ below the bottom of the conduction band and an excited bound state 1030 cm⁻¹ above the ground state.

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