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Updated: Oct 27, 2025
Preparation of Extracellular Matrix Protein Fibers for Brillouin Spectroscopy
Published on: September 15, 2016
Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy
Dong Hoon Kang1, Soo Han Oh1, Jae-Hyeon Ko1
1Nano Convergence Technology Center, School of Nano Convergence Technology, Hallym University, 1 Hallymdaehakgil, Chuncheon 24252, Korea.
Abstract:
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.
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