Güntherodt, G. ; Jayaraman, A. ; Kress, W. ; Bilz, H. (1981) Raman scattering and electron-phonon coupling in mized-valent and superconducting compounds Physics Letters A, 82 (1). pp. 26-29. ISSN 0375-9601
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0375-9601(81)90391-1
Abstract
Polarized Raman spectra of mixed-valent Sm0.75Y0.25S are presented and compared with those of semiconducting SmS and superconducting YS and TiN. The spectra are explained in terms of cluster deformabilities which also govern the phonon anomalies. The existence of a breathing Γ1+ deformability of Sm in Sm1−xYxS, of S in YS, of N in TiN and a quadrupolar Γ12+ deformability of N in TiN is demonstrated. The relationship between these results and the microscopic theory is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 96018 |
| Deposited On: | 30 Nov 2012 06:51 |
| Last Modified: | 30 Nov 2012 06:51 |
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