Term: shear transition
https://doi.org/10.1351/goldbook.S05641

Definition:
A diffusionless transition that involves a change of the shape of the unit cell by a process that can be described as shear.

Related Terms:
1) diffusionless transition (http://doi.org/10.1351/goldbook.D01728).
2) unit cell (http://doi.org/10.1351/goldbook.U06562).

Source: PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 590 (https://doi.org/10.1351/pac199466030577)

Citation: 'shear transition' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05641

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