✦ LIBER ✦

Quadrupole interactions in the rhenium apatite Ba10(ReO5)6Cl2 observed by time-differential perturbed angular correlation (TDPAC)

✍ Scribed by J.N. Rimbert; F. Dumas; C. Kellershohn; G. Baud; J.P. Besse

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 422 KB
Volume: 145
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(88)87420-7

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✦ Synopsis

TDPAC measurements on the 356-81 keV y-y cascade of '"Cs in the "'Ba-labelled halogenoapatite Ba,,,(Re05)&12, containing pyramidal ReO, groups, have been performed at room temperature. Two static electric quadrupole interactions are observed corresponding to the two coordination sites of barium. The measured electric field gradient (EFG) values are compared with values calculated using a point-charge model.