β Scribed by A.J. Jacobson; J.L. Hutchison
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π SIMILAR VOLUMES
YCuO 2 delafossite crystallizes into two stacking variants; hexagonal 2H or rhombohedral 3R, depending on the preparation conditions. The structure of the fully oxygenated material YCuO 2.50 has been determined as orthorhombic (a o β«Ψβ¬ 6.1961 A s ; b o β«Ψβ¬ 11.2158 A s ; c o β«Ψβ¬ 7.1505 A s ; space gr
Stoichiometric SrNbO 3 ; with a GdFeO 3 type structure was synthesized between 1300 and 15503C in Ar-5lled and sealed niobium ampoules. Its crystal structure was re5ned using time-of-6ight neutron di4raction data. Space group Pnma: a β«Ψβ¬ (2 ) a p β«Ψβ¬ 5.6894(2) A > ; b β«Ψβ¬ 2 ' a p β«Ψβ¬ 8.0684(1) A > ;
The structures and cation ordering of several barium bismuth oxide phases, \(\mathrm{Ba}_{2+x} \mathrm{Bi}_{2-} \mathrm{O}_{6-x}(x=0.22\), \(0.28,0.40,0.67)\), have been determined at ambient temperature from constant wavelength and timeof-flight neutron powder diffraction data. The end member of th