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Second order Raman spectrum of rutile TiO 2

1979; Wiley; Volume: 8; Issue: 1 Linguagem: Inglês

10.1002/jrs.1250080108

1097-4555

Jorge H. Nicola, C. A. Brunharoto, M. Abramovich, C. E. T. Conçalves da Silva,

Catalytic Processes in Materials Science

Abstract Data are presented on the second order Raman spectrum of rutile TiO 2 for various scattering geometries, at room and liquid N 2 temperatures. The results of a standard critical point analysis (i) allow the most important addition processes at low energies to be identified, (ii) indicate the importance of matrix element effects, and (iii) cannot account for a peak at 172 cm −1 for the Y ( xy ) X geometry.