39K spin-lattice relaxation study of the antiferroelectric phase transition in 
KSCN

Topič, B.; Haeberlen, U.; Blinc, R.; Fuith, A.; Warhanek, H.

doi:10.1016/0038-1098(89)90897-1

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39K spin-lattice relaxation study of the antiferroelectric phase transition in KSCN

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Topič, B.
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Haeberlen, U.
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Topič, B., Haeberlen, U., Blinc, R., Fuith, A., & Warhanek, H. (1989). 39K spin-lattice relaxation study of the antiferroelectric phase transition in KSCN. Solid State Communications, 72(1), 151-153. doi:10.1016/0038-1098(89)90897-1.

Cite as: https://hdl.handle.net/21.11116/0000-000B-4EF3-C

Abstract

The temperature dependences of the 39K spin-lattice relaxation times in the laboratory (T1)and rotating (T1ϱ) frame have been studied in the vicinity of the antiferroelectric transition in KSCN. The results show that the mean reorientation time for the SCN− 180° flips is of the order of 10−9 just below Tc and that short range ordered domains persist on the NMR time scale in a relatively large temperature range above Tc. Thermally activated single particle kinetics is masking the critical effects.