Ba1−xKxBiO3/BaBi2OY thin film heterostructures
✍ Scribed by E.S. Hellman; E.H. Hartford Jr.; R.M. Fleming; P. Marsh; D.J. Werber
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 464 KB
- Volume
- 185-189
- Category
- Article
- ISSN
- 0921-4534
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The far infrared transmission spectra of Bal\_,K.~BiOa (x = 0.4) thin films, grown by molecular beam epitaxy on MgO substrates, were measured in the frequency range of 15 cm -1 to 200 cm -l, and temperature range from 9K to 86K. In the normal state the transmission is independent of frequency. The t
The physical properties of Ba~-,K, BiO~ including transport coefficients, optical spectra, Pa®~n spectra, the upper critical field and superconducting energy gap were measured on thin films. From the experimental results, we firmly conclude that the Bal-xK.BiO3 is close to a band metal in its metall