59Co NMR studies of the spin-state equilibria in rare-earth cobaltites

Bose, M. ; Ghoshray, A. ; Basu, A. ; Rao, C. N. R. (1980) 59Co NMR studies of the spin-state equilibria in rare-earth cobaltites Chemical Physics Letters, 74 (3). pp. 413-416. ISSN 0009-2614

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000926...

Related URL: http://dx.doi.org/10.1016/0009-2614(80)85242-0

Abstract

Hyperfine interaction parameters reveal differences in the nature of spin-state equilibria in the lighter and heavier rare-earth cobaltites; the crystal-field parameter is lower in the lighter cobaltites. Temperature variation of the quadrupolar coupling constant is also more marked in the lighter rare-earth cobaltites, with NdCoO3 showing evidence for a structural phase transition.

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