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X-ray diffraction study of the tetragonal to orthorhombic phase transition and structural defects in Pb2Sr2LnCu3O8, Ln = Ho, Nd

✍ Scribed by J.-E. Jørgensen


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
279 KB
Volume
80
Category
Article
ISSN
0038-1098

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The crystal structure of La 0.63 (Ti 0.92 ,Nb 0.08 )O 3 has been re5ned by the Rietveld analysis of CuK X-ray powder di4raction data collected at 233C. This material was con5rmed to have an A-site de5cient orthorhombic perovskite-type structure with double ideal perovskite ABO 3 units along the c-ax