Optical Absorption and Photoemission of Barium and Strontium Oxides, Sulfides, Selenides, and Tellurides
- 1 July 1958
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 111 (1) , 113-119
- https://doi.org/10.1103/physrev.111.113
Abstract
Considerable structure has been observed at the intrinsic optical absorption edge of annealed films of BaO, BaS, BaSe, BaTe, SrO, SrS, SrSe, and SrTe at -160°C. Photoemission measurements allow an estimate to be made of the energy separation between the top of the valence band and the vacuum level.Keywords
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