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Investigation of the electronic structure of high-Tc Ba1−xKxBiO3 by the optical method

✍ Scribed by A.L. Shelehov; N.V. Anshukova; A.I. Golovashkin; L.I. Ivanova; A.P. Rusakov

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
124 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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A systematic optical study of the Ba1−xK
A systematic optical study of the Ba1−xKxBiO3 system
✍ W. Markowitsch; H. Jodlbauer; V. Schlosser; W. Lang; K. Remschnig; P. Rogl 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 164 KB

Reflection spectra of Bat-dGBiO~ over a wide spectral range are reported. For x lower than the critical value of ~ 0.35 contributions of free carders, interband transitions and midgap absorption processes are observed. The plasma frequency is small (< 0.1 eV) for all x below the insulator to metal t