Title :
Temperature dependence of low-frequency vibrational modes in crystalline amino acids studied by terahertz time-domain spectroscopy
Author :
Yamaguchi, M. ; Miyamaru, F. ; Yamamoto, K. ; Tani, M. ; Hangyo, M.
Author_Institution :
Res. Center for Supercond. Photonics, Osaka Univ., Japan
Abstract :
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.
Keywords :
organic compounds; spectroscopy; vibrational modes; crystalline amino acid; low-frequency vibrational modes; normal mode; normal potential; resonance frequency; temperature dependence; terahertz time-domain spectroscopy; Absorption; Amino acids; Crystallization; Infrared spectra; Photonic crystals; Resonance; Resonant frequency; Spectroscopy; Temperature dependence; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2