Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
56 (1990), S. 2339-2341
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The Mössbauer effect of the 37.2 keV γ transition of 121Sb has been employed to study the electronic configuration of Sb ions in BaPb1−xSbxO3 superconducting materials. The isomer shift is constant as a function of Sb content and falls in the region correspoding to the Sb(V) valence state. The isomer shift of 7 mm/s is the lowest value yet observed for an Sb(V)O6 chromophore and indicates a high degree of covalency, corresponding to significant 5sm 5pn hybridization. The mixed valence state of an equal amount of Sb(III) and Sb(V) has not been observed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.103248
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