cooperative transition
A transition that involves a simultaneous, collective displacement or change of state of the atoms and/or electrons in the entire system. Examples: An @O04321@ of atoms or electrons, as in an alloy, a ferromagnet or superconductor; a @J03362@ or @F02348@; a @M03708@.
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 580 [Terms] [Paper]