Infrared spectroscopic studies of C,O films show variation in absorbance and linewidth of the bands across the orientational phase transitions around 280 and 340 K. There is some evidence for the coexistence of phases in the 210-270 K region and for the occurrence of another transition below 200 K.
β¦ LIBER β¦
An infrared study of the phase transition of solid furan
β Scribed by M. Dupuy; R. Guerin; M. Leard; A. Le Roy
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 155 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0022-2860
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Polarised infrared and optical spectra were measured at temperatures between 5 and 300 K to study the 210 K structural phase transition in the organic charge transfer salt TEA(TCNQ),. At high temperatures, characteristic spectral features of semiconducting 1 : 2 TCNQ salts are observed. At low tempe