O2−-to-F−substitution on the quasi-two-dimensional quantum antiferromagnet (CuCl)LaNb2O7

C Tassel, Y Kobayashi, S Mitsuoka, F Takeiri, Y Ajiro, H Kageyama
2011 Journal of Physics, Conference Series  
We present the preparation of the electron-doped quasi-two dimensional quantum antiferromagnet (CuCl)LaNb 2 O 7 by two step-wise topochemical reactions. The first step involves a reductive fluorination of the insulating layered perovskite RbLaNb 2 O 7 using polytetrafluoroethylene that allows electric conduction in the perovskite blocks. The product RbLaNb 2 O 6 F was then ion-exchanged with copper dichloride to yield (CuCl)LaNb 2 O 6 F. The synchrotron x-ray diffraction study indicates that
more » ... structure of the final compound is different from that of the pure (CuCl)LaNb 2 O 7 .
doi:10.1088/1742-6596/320/1/012036 fatcat:hbe7hnsdofenvk4lvenw2g4hlq