The hysteresis areas ⟨A⟩ for the saturated loops of a deformed helix ferroelectric liquid crystal, viz., (S)-4-(2-methyloctanoyl) 4′-biphenyl-4-octyloxybenzoate (MIP0806) have been studied. The scaling laws ⟨A⟩∝f0.24E00.68 and ⟨A⟩∝f0.28E00.70 connecting frequency (f) and amplitude (E0) of the applied signal are found to be valid close to and far away from the SmA-SmC* transition temperature (104°C), respectively. The formation of ferroelectric monodomain in MIP0806 is weakly constrained by surface and dipolar interactions, which might be responsible for the observed small deviation obtained from theoretically predicted scaling laws.
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Bhattacharyya et al. (2008) studied this question.
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