Anomalous temperature dependence of paraelectric relaxation at very low temperatures
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Hydroxyl doped KCl crystals were subjected to two dimensional stress in a (001)-plane so that the paraelectric hydroxyl dipoles can be described by a double-well system with a small tunneling splitting. In the temperature range from 0.025 to 0.3 K this system exhibits a dielectric relaxation rate that increases with decreasing temperature.
KeywordsSpectroscopy Neural Network Hydroxyl State Physics Complex System
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