Journal article
DETERMINATION OF THE ORIENTATION OF THE ELECTRIC-FIELD GRADIENT AT THE CU(1) SITE FROM THE MOSSBAUER-SPECTRA OF TEXTURED PELLETS MADE OF YBA2CU3O7-DELTA SUPERCONDUCTOR
Hyperfine interactions, v 66(1-4), pp 381-386
01 Jan 1991
Abstract
A textured pellet of YBa2Cu3O7-delta was prepared and doped with Co-57. After subsequent heat treatments the cobalt was found at the two copper sites. The degree of alignment of individual crystallites (about 40%) was determined from the Mossbauer spectrum by using a method developed by the authors [1]. The same method showed that the most characteristic doublet component of such spectra (delta = 0.08 mm/s; \DELTA-E(Q)\ = 1.96 mm/s) is associated with a site, most probably a Cu(1) site, where the EFG is parallel to the c direction of the unit cell. The sign of V(zz) turned out to be negative, giving a negative quadrupole splitting (DELTA-E(Q) = -1.96 mm/s) for that component.
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Details
- Title
- DETERMINATION OF THE ORIENTATION OF THE ELECTRIC-FIELD GRADIENT AT THE CU(1) SITE FROM THE MOSSBAUER-SPECTRA OF TEXTURED PELLETS MADE OF YBA2CU3O7-DELTA SUPERCONDUCTOR
- Creators
- S Nagy - Eötvös Loránd UniversityY Wei - Drexel UniversityA Nath - Drexel University
- Publication Details
- Hyperfine interactions, v 66(1-4), pp 381-386
- Publisher
- BALTZER SCI PUBL BV
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:A1991GY21700040
- Scopus ID
- 2-s2.0-34249923576
- Other Identifier
- 991019173830204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Atomic, Molecular & Chemical
- Physics, Condensed Matter
- Physics, Nuclear