Synthesis, magnetic properties and Mössbauer spectroscopy for the pyrochlore family Bi2BB´O7 with B = Cr and Fe and B´= Nb, Ta and Sb

MARÍA C. BLANCO; DIEGO G. FRANCO; YAMILE JALIT; ELISA V. PANNUNZIO-MINER; GRACIELE BERNDT; ANDREA PAESANO JR.; GLADYS NIEVA; RAÚL E. CARBONIO

ELSEVIER SCIENCE BV

Lugar: San Diego; Año: 2012 vol. 407 p. 3078 - 3078

p style="TEXT-ALIGN: justify; LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal">The samples Bi2BB′O7, with B=Cr and Fe and B′=Nb, Ta and Sb were prepared by solid state method. The crystallographic structure was investigated on the basis of X-ray powder diffraction data. Rietveld refinements show that the crystal structure is cubic, space group Fd-3m. The Bi3+