Institut des Matériaux Jean Rouxel, Laboratoire de Chimie des Solides, 2, rue de la Houssinière, BP 32229, 44322 Nantes cedex 3 - France. laurent.cario@cnrs-imn.fr
Abstract:
The structures of the new oxysulfide Ruddlesden-Popper phases La2LnMS2O5 (Ln=La, Y; M=Nb, Ta) are reported together with an iodide-containing variant: La3-xNb1+xS2O5I2x (0