Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session G00: Poster Session I (2pm- 5pm CST)
2:00 PM,
Tuesday, March 15, 2022
Room: McCormick Place Exhibit Hall F1
Abstract: G00.00308 : Terahertz Dynamics of LiCl Aqueous Solution Measured by Terahertz Time-Domain Spectroscopy
Presenter:
Soo Han Oh
(Department of Materials Science, University of Tsukuba)
Authors:
Soo Han Oh
(Department of Materials Science, University of Tsukuba)
Keito watanabe
(Department of Materials Science, University of Tsukuba)
Suguru Kitani
(Materials and Structures Laboratory, Tokyo Institute of Technology)
Shin Nakagawa
(Department of Materials Science, University of Tsukuba)
Jea-hyeon Ko
(Department of Physics, Hallym University)
Yohei Yamamoto
(Department of Materials Science, University of Tsukuba)
Tatsuya Mori
(Department of Materials Science, University of Tsukuba)
Collaborations:
Keito Watanabe, Shin Nakagawa, Yohei Yamamoto, Tatsuya Mori
Water is an ideal system for investigating the effect of hydrogen bonding on BP, but it crystallizes during normal cooling process. To overcome this problem, lithium chloride was mixed to prevent crystallization at low temperatures. Although there are several studies on “water BP”, the THz spectroscopic study has not been performed due to the difficulty of experimental techniques for making liquids extremely low-temperature.
In this study, we established terahertz time domain spectroscopy (THz-TDS) for measuring cryogenic liquids to detect BP in LiCl aqueous solution below Tg. And determined the infrared vibrational coupling constant CIR(ν). Through this, the terahertz dynamics of hydrogen bonding was analyzed.
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