Xia, Rongjie; Malval, Jean-Pierre; Jin, Ming; Spangenberg, Arnaud; Wan, Decheng; Pu, Hongting; Vergote, Thomas; Morlet-Savary, Fabrice; Chaumeil, Helene; Baldeck, Patrice; Poizat, Olivier; Soppera, Olivier Chemistry of Materials, 2012 , vol. 24, # 2 p. 237 - 244