FIELD AND DEFORMATION POTENTIAL MECHANISMS OF THE ACOUSTOELECTRIC EFFECT IN YBA2CU3O7-X FILMS

Authors
ILISAVSKII YV YAKHKIND EZ GOLTSEV AV
Citation
Yv. Ilisavskii et al., FIELD AND DEFORMATION POTENTIAL MECHANISMS OF THE ACOUSTOELECTRIC EFFECT IN YBA2CU3O7-X FILMS, Physics letters. A, 216(1-5), 1996, pp. 224-228
Citations number
16
Categorie Soggetti
Physics
Journal title
Physics letters. A → ACNP
ISSN journal
03759601
Volume
216
Issue
1-5
Year of publication
1996
Pages
224 - 228
Database
ISI
SICI code
0375-9601(1996)216:1-5<224:FADPMO>2.0.ZU;2-6
Abstract
The acoustoelectric effect caused by a piezoelectric field in the laye red structure (YZ-LiNbO3-gap-YBa2Cu3O7-x film on MgO) is studied for d ifferent gaps. At T < T-c the anomaly observed earlier [JETP 52 (1990) 546; Sov. Phys. Solid State 33 (1991) 469] is not found. This means t hat the anomaly is due to the mechanical deformation of the film by th e acoustic wave. The field and deformation potential mechanisms of the effect are discussed. Our analysis gives evidence for a strong electr on-phonon interaction.