@article{CTT100630594, author = {A.A. Belik and F. Izumi and M. Azuma and T. Kamiyama and Oikawa K. and Pokholok K.V. and B.I. Lazoryak and M. Takano}, title = {Redox Reactions in Strontium Iron Phosphates: Synthesis, Structures, and Characterization of Sr9Fe(PO4)7 and Sr9FeD(PO4)7}, journal = {Chem. Mater.}, year = 2005, } @article{CTT100630589, author = {Stefanovich S.Y. and A.A. Belik and M. Azuma and M. Takano and Baryshnikova O.V. and Morozov V.A. and Lazoryak B.I. and Levedev O.I. and Tendeloo G.V.}, title = {Antiferroelectric Phase Transition in Sr9In(PO4)7}, journal = {Phys. Rev. B}, year = 2004, }