Articles written in Pramana – Journal of Physics
Volume 58 Issue 5-6 May 2002 pp 1013-1017 Colossal Magnetoresistance And Other Materials
Polarized Raman scattering in single crystals of Nd0.7Sr0.3MnO3
M Pattabiraman G Rangarajan Kwang-Yong Choi P Lemmens G Guentherodt G Balakrishnan DMcK Paul MR Lees
We report polarized Raman scattering in single crystals of Nd0.7Sr0.3MnO3. The temperature dependence of the MnO6 octahedral bending and stretching modes observed in the XX spectra points to the existence of local lattice distortions, possibly polarons. The XY spectra have been analyzed using a collision-dominated model, which allows the extraction of the carrier scattering rate.
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