Orientation States in Rhombic NdGaO3
D.I. Savytskii, S.B. Ubizskii, L.O. Vasylechko, I.M. Syvorotka and A.O. Matkovskii
R&D Institute for Materials, SRC "Carat", 202 Stryjska St., L'viv, 290031, Ukraine
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The ferroelastic domain structure of NdGaO3 is analyzed by three theories: group symmetry, tensor method and twinning by pseudosymmetry. The theories provide a coherent description of domain pairs and a determination of the position of W and S walls.
DOI: 10.12693/APhysPolA.92.231
PACS numbers: 62.20.Dc, 61.72.Mm