A transition that involves a simultaneous, collective displacement or change of state of the atoms and/or electrons in the entire system. Examples: An
order-disorder transition of atoms or electrons, as in an alloy, a ferromagnet or superconductor; a
Jahn–Teller or
ferroic transition; a
martensitic transition.
Source:
PAC, 1994, 66, 577
(Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994))
on page 580
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
doi:10.1351/goldbook.
