Analysis of the Dielectric Constant as a Function of Temperature at Constant Electric Fields for the Smectic A-Smectic G Transition in A6

Table 1

Values of the coefficients according to (7) with the definitions of 𝑎₁ and 𝑎₂ (see the text) within the temperature intervals below 𝑇₀ for the smectic AG transition of compound A6 at fixed field strengths. The transition temperatures (𝑇₀) are also given here.

𝐸 (kV/cm)	𝑇0 (°C)	𝑎 (°C^−1)	𝑎1	𝑎2	2D/𝑒𝜒0𝜀0	Temperature interval (°C)
0	77.8	0.435	15.66	63.04	0.118	77.56<𝑇<77.80
17	78.0	−0.053	1.37	108.40	0.115	77.69<𝑇<77.95
33	78.1	−0.041	1.05	89.85	0.122	77.76<𝑇<78.10
50	78.2	−0.044	1.16	100.95	0.125	77.88<𝑇<78.19
67	78.4	−0.013	0.37	168.68	0.125	78.03<𝑇<78.36