Low temperature glassy properties of disordered crystals
作者： A. C. Anderson
DOI: 10.1080/01411598508219885
关键词: Amorphous solid 、 Materials science 、 Temperature measurement 、 Spectral line 、 Anomalous behavior 、 Specific heat 、 Metallic alloy 、 Condensed matter physics 、 Thermal conductivity 、 Electrical conductor
摘要: Abstract Low temperature measurements of specific heat, thermal conductivity, dielectric dispersion, ultrasonic dispersion and other properties have disclosed that a variety disordered crystals exhibit the same anomalous behavior as found in amorphous solids. The anomalies arise from localized excitations having broad spectra both energy equilibration time. In some crystals, these may be changed systematically by varying disorder present. physical origin excitations, or glasses, lacks satisfactory theoretical explanation. It is expected crystalline systems will more amenable to study. solids harbor include, at this time, certain fast-ion conductors, ferroelectrics, metallic alloys, rotationally
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