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2018-04-04

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cc-by (c) Foury-Leylekian, Pascal et al., 2018
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/184335

κ-(BEDT-TTF)2Cu2(CN)3 spin liquid : beyond the average structure

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https://doi.org/10.3390/cryst8040158

Abstract

We present here the first accurate determination of the exact structure of κ-(BEDT-TTF)2Cu2(CN)3. Not only did we show that the room temperature structure used over the last twenty years was incorrect, but we were also able to correctly and precisely determine it. The results of our work provide evidence that the structure presents a triclinic symmetry with two non-equivalent dimers in the unit cell, which implies a charge disproportionation between the dimers. However, structural refinement shows that the charge disproportionation is quite weak at room temperature.

Subject

Difracció de raigs X, Líquids, Centrifugació

Subject (English)

X-rays diffraction, Liquids, Centrifugation

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Articles publicats en revistes (Ciència dels Materials i Química Física)
Articles publicats en revistes (Institut de Química Teòrica i Computacional (IQTCUB))

Citation

FOURY-LEYLEKIAN, Pascale, et al. κ-(BEDT-TTF)2Cu2(CN)3 spin liquid : beyond the average structure. Crystals. 2018. Vol. 8, num. 4, pags. 158. ISSN 2073-4352. [consulted: 11 of June of 2026]. Available at: https://hdl.handle.net/2445/184335

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