Temperature dependence of low-frequency vibrational modes in crystalline amino-acids are investigated by terahertz time-domain spectroscopy. The temperature dependence of the resonance frequencies is well explained by assuming double-well normal potentials for the normal modes.
Published in:
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Date of Conference: 6-6 June 2003