JOURNAL ARTICLE
Acoustic Studies of Low-Temperature Phase Transitions in LiKSO4 Crystals
B. F. BorisovE. V. CharnayaM.Ya. Vinogradova
Year: 1997 Journal: physica status solidi (b) Vol: 199 (1)Pages: 51-57 Publisher: Wiley
Abstract
Acoustic studies of low-temperature phase transitions in LiKSO4 crystals were performed in the range 165 to 290 K. Anomalies in velocity and attenuation were found around 204 and 185 K under cooling and around 195 and 260 K under warming. A dip in the velocity of the yx shear wave was observed at the III–IV phase transition. The results are treated in the framework of the Landau theory and fluctuation models.
Keywords:
Atmospheric temperature range Phase transition Attenuation Landau theory Condensed matter physics Materials science Phase (matter) Shear (geology) Acoustic attenuation Optics Physics Thermodynamics Quantum mechanics Composite material
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0.60
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0
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0.65
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Topics
Solid-state spectroscopy and crystallography
Physical Sciences → Materials Science → Materials Chemistry
Optical and Acousto-Optic Technologies
Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics
Acoustic Wave Resonator Technologies
Physical Sciences → Engineering → Biomedical Engineering
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