superspace description of trigonal and orthorhombic A(1)+(x)A(x)'B(1)-(x)O(3) compounds as modulated layered structures; application to the refinement of trigonal Sr(6)Rh(5)O(15).
Acta Crystallogr B. 2003 Apr;59(Pt 2):217-33. doi: 10.1107/s0108768103001642. Epub 2003 Mar 26.
Acta Crystallogr B. 2003.
PMID: 12657815
The structures of the trigonal compounds A(1+x)A(x')B(1-x)O(3) are described, to a first approximation, as a hexagonal close-packed stacking of A(3)O(9) and A(3)A'O(6) layers. ...Both superspace models, the composite and the layere …
The structures of the trigonal compounds A(1+x)A(x')B(1-x)O(3) are described, to a first approximation, as a hex …