TDPAC AND EMISSION MOSSBAUER-SPECTROSCOPY OF RU-99 IN YBA2CU3O7-X

Authors
OHKUBO Y KOBAYASHI Y HARASAWA K AMBE S OKADA T ASAI K SHIBATA S TAKEDA M AMBE F
Citation
Y. Ohkubo et al., TDPAC AND EMISSION MOSSBAUER-SPECTROSCOPY OF RU-99 IN YBA2CU3O7-X, Hyperfine interactions, 84(1-4), 1994, pp. 83-86
Citations number
5
Categorie Soggetti
Physics, Atomic, Molecular & Chemical","Physics, Nuclear","Physics, Condensed Matter
Journal title
Hyperfine interactions → ACNP
ISSN journal
03043843
Volume
84
Issue
1-4
Year of publication
1994
Pages
83 - 86
Database
ISI
SICI code
0304-3843(1994)84:1-4<83:TAEMOR>2.0.ZU;2-1
Abstract
The hyperfine interactions of Ru-99(<-- Rh-99) in YBa2Cu3O7-x with x l ess than or similar 0.2 and x almost-equal-to 1 were studied by means of TDPAC and emission Mossbauer spectroscopy. The superconductor YBa2C u3O7-x with x less than or similar 0.2 was prepared by conventional he at treatment in oxygen, the semiconductor with x almost-equal-to 1 by heating the superconductor under a reduced pressure. The TDPAC and Mos sbauer measurements show that Ru ions exclusively occupy the Cu-1 site , which forms one-dimensional Cu-O chains in the orthorhombic phase.