Gupta, Rajeev ; Sood, A. K. ; Mahesh, R. ; Rao, C. N. R. (1996) Electronic Raman scattering from La0.7Sr0.3MnO3 exhibiting giant magnetoresistance Physical Review B: Condensed Matter and Materials Physics, 54 (21). pp. 14899-14902. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v54/i21/p14899_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.54.14899
Abstract
Raman scattering experiments on metallic La0.7Sr0.3MnO3 have been carried out using different excitation wavelengths as a function of temperature from 15 K to 300 K. Our data suggest a Raman mode attributed to electronic excitations centered at 2100 cm−1 whose intensity decreases with increasing temperature. If the Raman mode is attributed to single-particle excitation associated with the fluctuations of the mass tensor, the decreased intensity would then imply a reduction in the density of states at the Fermi energy with increasing temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 39938 |
| Deposited On: | 20 May 2011 07:56 |
| Last Modified: | 28 May 2011 05:01 |
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