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Laser-induced structural transformations in MoO3 investigated by Raman spectroscopy

Published online by Cambridge University Press:  31 January 2011

E. Haro-Poniatowski
Affiliation:
Laboratoire des Milieux Désordonnés et Hétérogènes, Université Pierre et Marie Curie, Tour 22, case 86, 4 place Jussieu, 75252 Paris cedex 05, France
C. Julien
Affiliation:
Laboratoire des Milieux Désordonnés et Hétérogènes, Université Pierre et Marie Curie, Tour 22, case 86, 4 place Jussieu, 75252 Paris cedex 05, France
B. Pecquenard
Affiliation:
Chimie de la Matière Condensée, Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris cedex 05, France
J. Livage
Affiliation:
Chimie de la Matière Condensée, Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris cedex 05, France
M. A. Camacho-López
Affiliation:
Departamento de Física, Universidad Autónoma Metropolitana Iztapalapa, Apdo. Postal 55–534, México, D. F. 09340
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Abstract

The glass-crystalline transformation induced by laser irradiation is studied in MoO3. Before crystallization we have found that the system evolves from a low temperature glass phase to a high temperature glass phase. The crystallization kinetics depend strongly on the initial irradiation power. The power densities needed to induce the phase transformations, of the order of 15 W/mm2, are relatively low and suggest the possibility of using this material as a data storage medium.

Type
Articles
Copyright
Copyright © Materials Research Society 1998

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References

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