allotropic transition

Synonym: allotriomorphic transition
https://doi.org/10.1351/goldbook.A00244
A transition of a pure element, at a defined temperature and pressure, from one crystal structure to another which contains the same atoms but which has different properties. Examples: The transition of @G02684@ to @D01671@, that of body-centred-cubic iron to face-centred-cubic iron, and the transition of orthorhombic sulfur to monoclinic sulfur.
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 579 [Terms] [Paper]
Citation: 'allotropic transition' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.A00244 RIS BibTex EndNote
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Last revised: February 24, 2014