The reflection spectrum of cuprous chloride in the 4.5−30 eV range and the related band structure |
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| Authors: | J.G. Gross S. Lewonczuk M.A. Khan R. Pinchaux J. Ringeissen |
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| Affiliation: | 1. Laboratoire de Spectroscopie et d''Optique du Corps Solide (associé au C.N.R.S. n° 232), Université Louis Pasteur 5, rue de l''Université, 67000 Strasbourg, France;71. L.U.R.E., Bǎtiment 209c, Université Paris-Sud, 91405 Orsay Cedex, France (Laboratoire Propre du C.N.R.S., Conventionné à l''Université Paris-Sud);7. Laboratoire de Magnétisme et de Structure Electronique de Solides (associé au C.N.R.S.), Université Louis Pasteur, Institut le Bel, 4, rue Blaise Pascal, 67070 Strasbourg Cedex, France. |
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| Abstract: | ![]()
The reflection spectrum of CuCl is measured on cleaved monocrystals, at low temperature, up to 30 eV. The main lines of different band schemes, proposed recently by theoretical approaches, are compared with characteristics features in the reflection spectra. All transitions at ?, between the three highest valence bands and the two lowest conduction bands are identified. The observation of transitions where the initial states are in 3sCl- permits to determine critical points in the conduction bands. With the help of our experimental data we propose a band scheme for cuprous chloride. |
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