1 February 1998 Induced Goldstone mode in a highly ordered ferroelectric phase
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Abstract
Dielectric, electrooptic and pyroelectric properties of unknown SmX* phase of (S)-(1-propyl-oxycarbonyl) ethyl 4(dodecyloxythiobenzyloxy) benzoate are studied. Low frequency dielectric studies performed with a 10micrometers EHC cell show that this SmX* phase exhibits an induced Goldstone mode dielectric spectrum. The spectrum is a single Debye-Type process with the relaxation time of the order of 10-5 s. The intensity of the spectrum increases non- linearly with the bias field strength. Studies of pyroelectric coefficient in the vicinity SmA*-SmX* transition show, that the SmX* phase is not a typical ferroelectric or antiferroelectric phase, and that the character of the transition depends on the field strength applied.
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S. Wrobel, S. Wrobel, A. Fafara, A. Fafara, Wolfgang Haase, Wolfgang Haase, D. Kilian, D. Kilian, H. T. Nguyen, H. T. Nguyen, K. Saxena, K. Saxena, } "Induced Goldstone mode in a highly ordered ferroelectric phase", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.299953; https://doi.org/10.1117/12.299953
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