Journal ArticleDOI
CRYSTAL SYSTEMS AND LATTICE CONSTANTS OF PEROVSKITE-TYPE COMPOUNDS BaThO3 AND Ba2(BaU)O6
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TLDR
Ba2(BaU)O6 was a tetragonal, ordered perovskite (a=b=6.286A, c=8.972A, β=90°17′) as mentioned in this paper.Abstract:
BaThO3 had an orthorhombic lattice (a=6.345A, b=6.376A, c=8.992A) with four pseudomonoclinic perovskite units(a′=c′=4.498A, b′=4.496A, β=90°17′). Ba2(BaU)O6 was a tetragonal, ordered perovskite(a=b=6.286A, c=8.972A). Ahrens′ radius of octahedral Ba2+ in Ba2(BaU)O6 was evaluated to be 1.16A via a lattice parameter variation versus radius of M4+ ion in perovskites BaMO3.read more
Citations
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Combustion synthesis and bulk thermal expansion studies of Ba and Sr thorates
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J. Goudiakas,R.G. Haire,J. Fuger +2 more
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Preclinical in vivo Antitumor Efficacy of Nedaplatin with Gemcitabine against Human Lung Cancer
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References
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Journal ArticleDOI
Structure and properties of CaTiO3
H. F. Kay,P. C. Bailey +1 more
TL;DR: In this paper, a new determination of the atomic structure of CaTiOa has been made, which is orthorhombic, with space group Pcmn; atomic coordinates are given.
Journal ArticleDOI
Compounds of Osmium and Rhenium with the Ordered Perovskite Structure
TL;DR: In this paper, a description of the preparation and characterization of a number of compounds of the type A/sub 2/BB/sup 1/O/sub 6/ where A = Ca, Sr, Ba; B/ sup 1/ = Re or Os; and B represents a variety of univalent, divalent, and trivalent cations.
Journal ArticleDOI
Determination of the crystal structure of yttrium orthoferrite and refinement of gadolinium orthoferrite.
P. Coppens,M. Eibschütz +1 more
TL;DR: In this article, the crystal structure of yttrium orthoferrite has been determined from full three-dimensional counter data and refined in the space group Pbnm by least squares to an accuracy of about.001 and.01A in positional parameters of Y(3+) and O(2-) respectively.