Pressure dependence of the phonon spectrum of La(1 - x)CaxMnO(3 - d) manganites

M. Cestelli Guidi; A. Sacchetti; E. Arcangeletti; M. Piccinini; P. Postorino; A. Nucara; A. Marcelli; P. Calvani

doi:10.1117/12.639407

10 September 2005 Pressure dependence of the phonon spectrum of La_{1 - x}Ca_xMnO_{3 - δ} manganites

M. Cestelli Guidi, A. Sacchetti, E. Arcangeletti, M. Piccinini, P. Postorino, A. Nucara, A. Marcelli, P. Calvani

Proceedings Volume 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering; 59322G (2005) https://doi.org/10.1117/12.639407
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The pressure dependence of the phonon spectrum of three La_{1 - x}Ca_xMnO_{3 - δ} manganites have been studied by means of Far-IR absorption spectroscopy coupled with a Diamond Anvil Cell. The effect of the applied pressure on the charge delocalization have been investigated defining the nature of the metallization process in the low-frequency domain.

Citation Download Citation

M. Cestelli Guidi, A. Sacchetti, E. Arcangeletti, M. Piccinini, P. Postorino, A. Nucara, A. Marcelli, and P. Calvani "Pressure dependence of the phonon spectrum of La_{1 - x}Ca_xMnO_{3 - δ} manganites", Proc. SPIE 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering, 59322G (10 September 2005); https://doi.org/10.1117/12.639407

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