Pressure-Induced Neutral to Ionic Phase Transition in TTF-Fluoranil, DimethylTTF-Fluoranil and DimethylTTF-Chloranil: A Comparative THz Raman Study

Pressure-Induced Neutral to Ionic Phase Transition in TTF-Fluoranil, DimethylTTF-Fluoranil and DimethylTTF-Chloranil: A Comparative THz Raman Study

The Neutral to Ionic phase Transition (NIT) that occurs in few mixed stack charge transfer cocrystals at high pressure or low temperature is a charge instability combined with a structural instability. The lattice contraction, which increases the 3D Coulomb interactions, favors a higher degree of ch...

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Bibliographic Details
Main Authors: Elena Ferrari, Francesco Mezzadri, Matteo Masino
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Crystals
Subjects:
CT crystals
phase transition
lattice phonons
Online Access:https://www.mdpi.com/2073-4352/13/10/1428

Internet

https://www.mdpi.com/2073-4352/13/10/1428

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