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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
Publikováno v:
Journal of Solid State Chemistry. 167:446-452
Synchrotron X-ray powder diffraction patterns were collected at the European Synchrotron Radiation Facility (ESRF, Grenoble, France) on powder samples of PbTiO3 (tetragonal, Z=1 P4mma=3.9036(1) A and c=4.1440(2) A at room conditions) applying externa