Phase transition in tetragonal hen egg-white lysozyme crystals
作者： A. V. Svanidze , H. Huth , S. G. Lushnikov , Seiji Kojima , C. Schick
DOI: 10.1063/1.3275858
关键词: Brillouin zone 、 Heat capacity 、 Light scattering 、 Lysozyme 、 Crystallography 、 Differential scanning calorimetry 、 Chemistry 、 Phase transition 、 Phonon 、 Tetragonal crystal system 、 Condensed matter physics
摘要: Lattice dynamics of tetragonal hen egg-white lysozyme crystals was studied by Brillouin light scattering and differential ac-nanocalorimetry with controlled relative humidity from 298 to 330 K. Temperature dependences fast quasitransverse phonon velocity integral intensity were found exhibit anomalies in the vicinity 306 An anomaly temperature behavior heat capacity also observed near this temperature. It is concluded that point a structural phase transition. Possible mechanisms transition are discussed.
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