Morphotropism
From Online Dictionary of Crystallography
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Morphotropie(It). Морфотропия (Ru). Morfotropismo (It).
Following Paul Heinrich von Groth's definition, morphotropisme, or morphotropy, is the change of a crystal structure produced by isomorphic substitutions. The special case in which these substitutions do not modify the crystal structure is called isomorphotropism. The latter is today more commonly known as isomorphism.
References
- Friedrich Rinne, Die Kristalle als Vorbilder des feinbaulichen Wesens der Materie (1921). English translation: Crystals and the fine-structure of matter (translated by Walter S. Stiles), New York: E.P. Dutton and Co., 1922.
- Alajos Kálmán (2005) Morphotropism: link between the isostructurality, polymorphism and (stereo)isomerism of organic crystals. Acta Cryst. B61, 2005, 536-547.