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Proceedings Paper

Pressure dependence of the phonon spectrum of La1 - xCaxMnO3 - δ manganites
Author(s): M. Cestelli Guidi; A. Sacchetti; E. Arcangeletti; M. Piccinini; P. Postorino; A. Nucara; A. Marcelli; P. Calvani
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Paper Abstract

The pressure dependence of the phonon spectrum of three La1 - xCaxMnO3 - 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.

Paper Details

Date Published: 10 September 2005
PDF: 8 pages
Proc. SPIE 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering, 59322G (10 September 2005); doi: 10.1117/12.639407
Show Author Affiliations
M. Cestelli Guidi, Lab. Nazionali di Frascati, INFN (Italy)
A. Sacchetti, Coherentia, INFM (Italy)
Univ. degli Studi di Roma/La Sapienza (Italy)
E. Arcangeletti, Coherentia, INFM (Italy)
Univ. degli Studi di Roma/La Sapienza (Italy)
M. Piccinini, Lab. Nazionali di Frascati, INFN (Italy)
Univ. degli Studi di Roma Tre (Italy)
P. Postorino, Coherentia, INFM (Italy)
Univ. degli Studi di Roma/La Sapienza (Italy)
A. Nucara, Coherentia, INFM (Italy)
Univ. degli Studi di Roma/La Sapienza (Italy)
A. Marcelli, Lab. Nazionali di Frascati, INFN (Italy)
P. Calvani, Coherentia, INFM (Italy)
Univ. degli Studi di Roma/La Sapienza (Italy)


Published in SPIE Proceedings Vol. 5932:
Strongly Correlated Electron Materials: Physics and Nanoengineering
Ivan Bozovic; Davor Pavuna, Editor(s)

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