Structures of 6H perovskites Ba3CaSb2O9 and Ba3SrSb2O9 determined by synchrotron X-ray diffraction, neutron powder diffraction and ab initio calculations

Rowda, B.; Avdeev, M.; Lee, P.L.; Henry, P.F.; Ling, C.D.

doi:10.1107/S0108768108005041

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

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Figure 2
Part of the synchrotron XRD profiles of Ba₃CaSb₂O₉ (below) and Ba₃SrSb₂O₉ (above) at λ = 1. 1823 Å, with peaks indexed to monoclinic C2/c and triclinic $[C\bar 1]$ unit cells, respectively. The $[C\bar 1]$ (rather than $[P\bar 1]$ ) setting is used in order to emphasize the relationship to the C2/c setting.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 64| Part 2| March 2008| Pages 154-159

doi:10.1107/S0108768108005041

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