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Publikováno v:
Journal of Solid State Chemistry. 86:64-74
The crystal structure of the solid electrolyte Na2BeSiO4 has been determined and refined both at 295 and 623 K using crystal diffraction data from a sixfold twin collected with MoKα. The structural relations between the twin components have been elu
Publikováno v:
Journal of Solid State Chemistry. 177:1667-1671
The crystal structures of BaTbO 3 have been investigated over a wide temperature range between 40 and 773 K using high-resolution time-of-flight neutron powder diffraction. Two-phase transitions were observed. Below about 280 K, BaTbO 3 adopts an ort