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Existence of the Ba 2 Ti 5 O 12 Phase in Ca‐Doped TiO 2 ‐Rich BaTiO 3
Author(s) -
Kraševec Viktor,
Kolar Drago
Publication year - 1988
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1988.tb07516.x
Subject(s) - orthorhombic crystal system , crystallite , doping , materials science , phase (matter) , crystallography , mineralogy , analytical chemistry (journal) , crystal structure , chemistry , metallurgy , optoelectronics , organic chemistry , chromatography
A TEM investigation was conducted on the structure of a second phase precipitated between the grains of a polycrystalline TiO 2 ‐rich BaTiO 3 which was doped with 8 mol% Ca. This phase was identified as Ca‐stabilized Ba 2 Ti 5 O 12 with a 10‐layer orthorhombic structure and unit‐cell parameters a=0.990, b=1.131, and c=2.330 nm.