Peierls transition

https://doi.org/10.1351/goldbook.P04468
A @M03863@ in quasi one-dimensional solids that occurs as a result of a band gap opening up at the @F02340@ due to a displacive distortion of the regular array increasing the @U06562@ length, usually a @D01744@; the decrease in electronic energy outweighs the increase in lattice energy. Example: The transition in methylethylmorpholinium tetracyanoquinodimethanide at \(335\ \text{K}\).
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 588 [Terms] [Paper]
Citation: 'Peierls 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.P04468 RIS BibTex EndNote
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Last revised: February 24, 2014