Raman spectroscopy applied to the study of phase transitions

The aim of this survey is to show that Raman spectroscopy is a powerful tec hnique to study structural phase transitions: After describing the experime ntal methods used and their recent improvements, some experimental data wil l be reviewed and set out as examples: displacive and order-disorder phase transitions in different oxides, especially perovskite compounds, observati on of phase transitions at high temperatures or/and high pressures, glassy and melting transitions.