Croft, M. ; Hodges, J. A. ; Kemly, E. ; Krishnan, A. ; Murgai, V. ; Gupta, L. C. (1982) Cooperative configuration change in EuPd2Si2 Physical Review Letters, 48 (12). pp. 826-829. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v48/i12/p826_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.48.826
Abstract
4f7⇄4f6+e charge fluctuations (inferered from 151Eu Mossbauer spectroscopy) in EuPd2Si2 show a strong nonlinear thermal dependence when compared to those observed in dilute Eu in LaPd2Si2. This nonlinear behavior is well described by extending the interconfigurational fluctuation model to include a cooperative intersite coupling of the interconfigurational fluctuation excitation energy to the 4f occupation number. Eu nuclear vibrational damping occurs in the region of greatest charge instability.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11282 |
| Deposited On: | 09 Nov 2010 03:39 |
| Last Modified: | 02 Jun 2011 06:29 |
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