Magnetic ordering of Fe with different oxygen environments in the layered-ordered perovskite system Tb0.8-yBa0.8Ca0.4+yFe2O5+d(y=0,0.2,0.4)
The modification of the Tb/Ca ratio in the Tb0.8-yBa0.8Ca0.4+yFe2O5+d; (y = 0, 0.2 and 0.4) has resulted in the formation of different superstructures due to the ability of Fe to adopt different oxygen-environments and the various types of stacking sequence for the A cations. In addition, Fe is magnetically ordered within the different local environments in the structure above room temperature (~ 850 K). Neutron Diffraction technique would provide us essential information about the oxygen sublattice within the crystal structure in order to determine the different environments for the Fe cations. As a second objective, this technique would allow us to study the magnetic structures associated with the Fe cations in the present system.
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MARTINEZ DE IRUJO LABALDE Xabier; AMADOR Ulises; GARCIA MARTIN Susana and RITTER Clemens. (2018). Magnetic ordering of Fe with different oxygen environments in the layered-ordered perovskite system Tb0.8-yBa0.8Ca0.4+yFe2O5+d(y=0,0.2,0.4). Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-21-1116
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