THz and IR spectroscopy of H2O@C-60 endofullerene

Alexander Melentev,Sergey S. Zhukov,Vasileios Balos,Gabriela Hoffman,Shamim Alom,Mikhail Belyanchikov,Elena Zhukova,Martin Dressel,George R. Bacanu,Pavel Abramov,Malcolm H. Levitt,Richard J. Whitby,Boris Gorshunov,Mohsen Sajadi

international conference on infrared, millimeter, and terahertz waves（2021）

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摘要

Time-domain terahertz and Fourier-transform infrared spectroscopy techniques are employed for investigating of the low-frequency dynamics of H2O@C-60 endofullerene at temperatures 6-300 K A number of absorption lines associated with rotational transitions of water molecules entrapped inside C-60 cage are observed and assigned. Fitting absorption lines with Lorentzians allowed us to obtain the temperature dependences of the lines' parameters - frequency position, strength and damping.

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关键词

rotational transitions,water molecules,absorption lines,frequency position,time-domain terahertz spectroscopy,Fourier-transform infrared spectroscopy,low-frequency dynamics,endofullerene,Lorentzians,damping,oscillator strength,temperature 6.0 K to 300.0 K,C60-H2O

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