Gupta, R; Pai, G Venketeshwara; Sood, A K; Ramakrishnan, T V; Rao, C N R
(EDP Sciences, 2002-06)
We report on the evolution of the Raman-active A(g) phonon modes in the charge-ordered manganite Pr0.63Ca0.37MnO3 as a function of temperature from 300 K to 25 K. Our studies reveal that the linewidths of the A(g)(2) and ...