Structures of the ordered double perovskites Sr2YTaO6 and Sr2YNbO6

Howard, C.J.; Barnes, P.W.; Kennedy, B.J.; Woodward, P.M.

doi:10.1107/S0108768105012395

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 3
Two views of the structure of Sr₂YNbO₆. YO₆ and NbO₆ are shown as the lighter and darker octahedra, the Y and Nb ions being visible within them, and the Sr ions are located in the cavities. The in-phase tilting is evident in the view down the c direction, [001] of the parent perovskite. The equal out-of-phase tilts along the other two directions of the parent structure combine to produce a tilting around the monoclinic b axis, corresponding to [ $[\bar 1]$ 10] in the parent structure.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 61| Part 3| May 2005| Pages 258-262

doi:10.1107/S0108768105012395

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