The dielectric function of LnSF rare-earth fluorosulfides (Ln=La, Ce): experiment and theory

Fabrice Goubin (1) , Xavier Rocquefelte (1) , Damien Pauwels (2) , Alain Tressaud (2) , Alain Demourgues (2) , Stéphane Jobic (1) , Yvan Montardi (3)

1 IMN - Institut des Matériaux Jean Rouxel
2 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux
3 Centre de Recherches d'Aubervilliers

The absorption properties of LaSF and CeSF in the UV-Visible range have been investigated on the basis of first principles density functional theory (DFT) calculations and from electron energy-loss spectroscopy (EELS) measurements...

Mots clés: Lanthanide thiofluoride; Optical properties; Band structures; Dielectric constants; EELS

Domaines: Matériaux

Fabrice Goubin, Xavier Rocquefelte, Damien Pauwels, Alain Tressaud, Alain Demourgues, et al.. The dielectric function of LnSF rare-earth fluorosulfides (Ln=La, Ce): experiment and theory. Journal of Solid State Chemistry, 2004, 177 (8), pp.2833-2840. ⟨10.1016/j.jssc.2004.05.006⟩. ⟨hal-00149758⟩