Abstract
Resonance Raman Spectra are presented for single crystals of TEDAI2.5 TCNQ and β-(BEDT-TTF)2I3. For both conductors, excitation at 647.1 mm proves to be the optimum resonant frequency for monitoring phase transformations. It is concluded that in TEDAI2.5 TCNQ, the I−3 ions bend as the temperature is lowered in order to accomodate a contracting lattice. In the case of the β-(BEDT-TTF)2I3, a splitting of the I−3 symmetric mode is observed, but no deformation of the anion is evident as one goes into the incommensurate phase at low temperatures.
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Bandrauk, A.D., Truong, K.D., Carlone, C. (1987). Resonance Raman Spectra of I−3 in TEDA(Triethylenediamine)I2.5TCNQ and β-(BEDT-TTF)2I3. In: Delhaes, P., Drillon, M. (eds) Organic and Inorganic Low-Dimensional Crystalline Materials. NATO ASI Series, vol 168. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-2091-1_28
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DOI: https://doi.org/10.1007/978-1-4899-2091-1_28
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