GA-69,GA-71 NMR IN THE KAGOME LATTICE COMPOUND SRCR9-XGA3+XO19

Authors
KEREN A MENDELS P HORVATIC M FERRER F UEMURA YJ MEKATA M ASANO T
Citation
A. Keren et al., GA-69,GA-71 NMR IN THE KAGOME LATTICE COMPOUND SRCR9-XGA3+XO19, Physical review. B, Condensed matter, 57(17), 1998, pp. 10745-10749
Citations number
17
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
57
Issue
17
Year of publication
1998
Pages
10745 - 10749
Database
ISI
SICI code
0163-1829(1998)57:17<10745:GNITKL>2.0.ZU;2-F
Abstract
We report the NMR site assignment of Ga-69,Ga-71 in the kagome lattice compound SrCr9-xGa3+xO19, and discuss the couplings of the different Ga nuclei with Cr moments. We find that Ga(4e) is dominantly coupled t o the triangular plane, and Ga(4f) is coupled to both the kagome and t riangular planes. The low-temperature behavior of die NMR signal in Sr Cr8Ga4O19 suggests that a slowing down of some spin degrees of freedom occurs first on the kagome plane. [S0163-1829(98)03717-5].