- Abstract:
- We report on a Raman scattering study of a large-area spray pyrolysed TlBaCaCuO superconducting thin film (Tc = 111 K). We have analysed the temperature dependence of the lineshape of the apical and bridging oxygen vibration (A1g) modes taken from an intimate mixture of TBCCO-1223 and -2223 crystallites and have found evidence for anomalous phonon self-energy effects at or near the critical transition temperature. Possible mechanisms that could account for this behaviour are discussed. © 1995.
- Publication status:
- Published
- Publisher copy:
- 10.1016/0038-1098(94)00861-2
-
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- Journal:
- SOLID STATE COMMUNICATIONS
- Volume:
- 93
- Issue:
- 9
- Pages:
- 747-752
- Publication date:
- 1995-03-05
- DOI:
- ISSN:
-
0038-1098
- URN:
-
uuid:ce676ab2-deab-445f-8871-93e3473197e9
- Source identifiers:
-
13749
- Local pid:
- pubs:13749
- Language:
- English
- Keywords:
- Copyright date:
- 1995
Journal article
RAMAN-ACTIVE PHONON SOFTENING IN A TL-BA-CA-CU-O SUPERCONDUCTING THIN-FILM
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