Sampathkumaran, E. V. ; Gupta, L. C. ; Vijayaraghavan, R. (1979) Valence fluctuation and the temperature dependence of copper nuclear quadrupole interaction in EuCu2Si2 and YbCu2Si2 Physical Review Letters, 43 (16). pp. 1189-1192. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v43/i16/p1189_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.43.1189
Abstract
The quadrupole interaction of copper has been measured as a function of temperature in EuCu2Si2 and YbCu2Si2. These measurements suggest that in these systems Hirst's "interconfiguration fluctuation" model provides a better description of the valence fluctuation than the localized-electron model. The observation of the influence of the valence-fluctuation phenomenon on the quadrupole interaction is reported for the first time and the importance of the NMR measurements on these materials is pointed out.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11308 |
| Deposited On: | 09 Nov 2010 03:36 |
| Last Modified: | 02 Jun 2011 06:31 |
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