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Title: Electronic Raman scattering from La 0.7Sr 0.3MnO3 exhibiting giant magnetoresistance
Authors: Gupta, Rajeev
Sood, A K
Mahesh, R
Rao, C N R
Keywords: Carrier-Density Fluctuations
Issue Date: 1-Dec-1996
Publisher: American Physical Society
Citation: Physical Review B 54(21), 14899-14902 (1996)
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.
Description: Restricted Access
Other Identifiers: 0163-1829
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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