Raman Phonon Spectroscopic Study of Phase Transition in 4-Cyanopyridine Crystal.

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概要

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• Raman phonon spectroscopy in the 10–170 cm<SUP>−1</SUP> range has been used to study phase transition in 4-cyanopyridine crystal. At 77 K, ten distinct phonon modes and an internal mode are observed whereas at 300 K the spectrum shows only six phonon bands and an internal mode. The temperature dependence of spectral pattern and phonon band width suggest that the crystal goes through a phase transition around 120 K. Experimental result suggests that the phase transition is discontinuous with a small structural change.

• 公益社団法人 日本化学会の論文

著者

• Misra Tridibendra

  Department Of Spectroscopy Indian Association For The Cultivation Of Science

• Chakrabarti Subhasis

  Department of Spectroscopy, Indian Association for the Cultivation of Science

• Sarma Mahesh

  Department of Physics, Gauhati University

• Medhi Kanak

  Department of Physics, Gauhati University

関連論文

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• Raman Phonon Spectroscopic Study of Phase Transition in trans-Stilbene Crystal.
• Raman Phonon Spectroscopic Study of Phase Transition in 4-Cyanopyridine Crystal.
• The vibrational spectra and thermodynamic functions of 2,3-dichloropyridine.
• Study of the Vibrational Spectra and Determination of Thermodynamic Functions of 2-Pyridone and 2-Pyridone-N-d.

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