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Article

Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy

1
Nano Convergence Technology Center, School of Nano Convergence Technology, Hallym University, 1 Hallymdaehakgil, Chuncheon 24252, Korea
2
Center for Nano Manufacturing, Department of Nano Science & Engineering, Inje University, Gimhae 50834, Korea
3
Division of Materials Science, University of Tsukuba, Tsukuba 305-8573, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Filipe Ferreira da Silva
Int. J. Mol. Sci. 2021, 22(13), 7116; https://doi.org/10.3390/ijms22137116
Received: 2 June 2021 / Revised: 28 June 2021 / Accepted: 28 June 2021 / Published: 1 July 2021
(This article belongs to the Special Issue Electron and Photon Interactions with Bio(Related) Molecules)
The inelastic interaction between the incident photons and acoustic phonons in the taurine single crystal was investigated by using Brillouin spectroscopy. Three acoustic phonons propagating along the crystallographic b-axis were investigated over a temperature range of −185 to 175 °C. The temperature dependences of the sound velocity, the acoustic absorption coefficient, and the elastic constants were determined for the first time. The elastic behaviors could be explained based on normal lattice anharmonicity. No evidence for the structural phase transition was observed, consistent with previous structural studies. The birefringence in the ac-plane indirectly estimated from the split longitudinal acoustic modes was consistent with one theoretical calculation by using the extrapolation of the measured dielectric functions in the infrared range. View Full-Text
Keywords: taurine; elastic constant; Brillouin scattering; acoustic mode taurine; elastic constant; Brillouin scattering; acoustic mode
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MDPI and ACS Style

Kang, D.H.; Oh, S.H.; Ko, J.-H.; Lee, K.-S.; Kojima, S. Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy. Int. J. Mol. Sci. 2021, 22, 7116. https://doi.org/10.3390/ijms22137116

AMA Style

Kang DH, Oh SH, Ko J-H, Lee K-S, Kojima S. Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy. International Journal of Molecular Sciences. 2021; 22(13):7116. https://doi.org/10.3390/ijms22137116

Chicago/Turabian Style

Kang, Dong Hoon, Soo Han Oh, Jae-Hyeon Ko, Kwang-Sei Lee, and Seiji Kojima. 2021. "Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy" International Journal of Molecular Sciences 22, no. 13: 7116. https://doi.org/10.3390/ijms22137116

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