17O NQR study of the ferroelectric phase transition in PbHPO4 |
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| Authors: | J. Seliger V. Žagar R. Blinc |
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| Affiliation: | J. Stefan Institute, Department of Physics, E. Kardelj University of Ljubljana, 61000 Ljubljana, Yugoslavia |
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| Abstract: | The temperature dependence of the 17O NQR spectra of the O-H---O bonded oxygens in PbHPO4 have been studied using a proton-17O double resonance technique. The results show that the protons move between two off-centre sites above Tc and freeze into one of the possible equilibrium sites below Tc. |
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