A database of incommensurate phases
(2002) Journal of Applied Crystallography — Vol. 35, p. 120-121 (2002)
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- Abstract
- A database of incommensurate phases is currently available at http://www.mapr.ucl.ac.be/similar tocrystal/index.html. The present database offers a fast direct retrieval system for structural, physical and bibliographical data of incommensurate phases. The database contains data about inorganic, non-composite, nonmagnetic and non-superconducting incommensurate phases only. Classification is according to the physical mechanisms responsible for the incommensurate phase transition. The main classes of incommensurate phases thus obtained are: the A(2)BX(4) dielectrics family, zone-centre lock-in transition phases, cooperative Jahn-Teller incommensurates, tetragonal tungsten bronzes, charge-density wave systems and miscellaneous incommensurate phases. The latter class, because of the lack of available data, is classified on a chemical basis in several subclasses: silicates, perovskites, Mn-bearing oxides, other oxides, group VI compounds, intermetallics and other compounds. The database contains a brief description of the main physical, chemical and structural features of each phase, as stated in the literature. This description is very material- and bibliography-dependent and it is preceded by the phase transition sequence.
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Caracas, R. (2002). A database of incommensurate phases. Journal of Applied Crystallography, 35, 120-121. https://doi.org/10.1107/S0021889801017083 (Original work published 2002)