Raman Intensity: An Important Tool in the Study οf Nanomaterials and Nanostructures

• Authors: Ph. Colomban , A. Slodczyk
• Languages of publication: EN

Abstracts

EN

Analysis of the relative and absolute Raman intensity is very important and powerful tool which allows to understand and characterize the modifications of the crystal/amorphous structure due to: (i) changes of the symmetry, e.g. substitution of the B site ion by the rare earth/lanthanide one and incorporation of mobile species in the case of high temperature protonic conducting perovskites; (ii) changes of the short/long range order, e.g. existence/disappearance of the nanoregions in the case of PbMg_{1/3}Nb_{2/3}O_{3-x}PbTiO_3 (PMN-PT) relaxor ferroelectric perovskites; (iii) changes of the nanostructure, e.g. depolymerisation of the Si-O network due to the substitution of the Si^{4+} ions (and associated covalent bonds) by the M^+ cations (forming ionic bonds) or by the incorporation of the metal nanoprecipitates in the case of glasses, glazes and enamels.

Keywords

EN

78.30.-j; 77.84.Dy; 61.43.Fs

Discipline

• 78.30.-j: Infrared and Raman spectra(for vibrational states in crystals and disordered systems, see 63.20.-e and 63.50.-x, respectively; for Raman spectra of superconductors, see 74.25.nd)
• 61.43.Fs: Glasses

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 116
• Issue: 1
• Pages: 7-12

Dates

published

2009-07

Contributors

author

Ph. Colomban

• Laboratoire de Dynamique, Interactions et Réactivité LADIR, UMR 7075, CNRS, Université Pierre et Marie Curie, CNRS, Université Pierre et Marie Curie-Paris 6, 2 rue Dunant, 94320 Thiais, France

author

A. Slodczyk

• Laboratoire de Dynamique, Interactions et Réactivité LADIR, UMR 7075, CNRS, Université Pierre et Marie Curie, CNRS, Université Pierre et Marie Curie-Paris 6, 2 rue Dunant, 94320 Thiais, France

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Identifiers

DOI

10.12693/APhysPolA.116.7