Cell thickness dependence of dielectric properties of ferroelectric liquid crystal (CS-1022)

Miyata, Hidekazu; Maeda, Masaki; Suzuki, Ikuo

doi:10.1080/02678299608032039

Cited by 29 publications

(6 citation statements)

References 13 publications

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“…As revealed by the literature review that was conducted in this study, only two groups have studied it experimentally [17,18]. In the present work, the temperature and cell thickness dependence of spontaneous polarization were studied.…”

Section: Resultsmentioning

confidence: 98%

“…Index β is almost constant, except for the 3-μm cell. The small deviation from the theoretical value of 0.5 in each case is due to the field-induced terms [2,[18][19][20][21]. The cell thickness dependence of T C * (SmC * -SmA * transition temperature) for FLC, as obtained from the curve fitting in Figure 3, is shown in Figure 6.…”

Section: The Polarization Behavior Of Sample Cells With Different Thimentioning

confidence: 99%

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Cell thickness dependence of liquid crystal parameters

Sood

Khosla²,

Singh

et al. 2012

Journal of Information Display

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Ferroelectric liquid crystal parameters, spontaneous polarization, and transition temperature were studied as a function of cell thickness. These parameters were found to increase with increasing cell thickness, but an exception was observed for the transition temperature in the case of a thin cell. A simple Landau model is presented to interpret the theoretical and experimental observations. The anomalous behavior is attributed to the electroclinic effect and is explained using the Landau model.

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Section: Resultsmentioning

confidence: 98%

Section: The Polarization Behavior Of Sample Cells With Different Thimentioning

confidence: 99%

Cell thickness dependence of liquid crystal parameters

Sood

Khosla²,

Singh

et al. 2012

Journal of Information Display

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“…Miyata et al [137] obtained the frequency dependence of the real part (ε') of dielectric absorption for the different fixed sample thickness for the FLC material CS-1022. The dielectric constants of the specimens with sample thickness of 2, 3 and 8 µm, which are less than the helical drawpitch in the SmC* phase are much smaller than those of the specimen with a thicker cells.…”

Section: Experimental Results and Discussion On The Thickness Dependementioning

confidence: 99%

Section: Experimental Results and Discussion On The Thickness Dependementioning

confidence: 99%

“…Miyata et al [137] also studied the sample thickness dependence of the SmC*−SmA transition and obtained the thickness dependent phase transition temperature for the material CS−1022. The nature of this type of transition was also detected in some other FLCs [109,137]. The transition temperatures for those of the bulk specimens were almost independent of the sample thickness but for the surface stabilized FLC, the transition temperature was rapidly decreased with further decrease of the sample thickness.…”

Section: Experimental Results and Discussion On The Thickness Dependementioning

confidence: 99%

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Dielectric properties of ferroelectric and antiferroelectric liquid crystals

Kundu

Yagihara

2014

Trans. Mat. Res. Soc. Japan

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It is well known that ferroelectric and antiferroelectric liquid crystals and liquid crystalline polymers are interesting candidates for their exclusive physical properties and industrial applications. For this reason, a wide variety of ferroelectric and antiferroelectric liquid crystals and liquid crystalline and polymers have been examined already and many are on the growing stage of investigation. The study of complex dielectric constant provides important evidences for understanding the interesting static and dynamic properties of these materials. In this review, we attempt to describe in detail about the collective and molecular dynamics of ferroelectric and antiferroelectric liquid crystals using broadband dielectric spectroscopy. Here, we have shown the dielectric properties of ferroelectric and antiferroelectric liquid crystals and polymers by varying the physical parameters, such as, temperature, frequency, bias field and the thickness of the liquid crystal films.

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