A SIMPLE MOLECULAR THEORY OF THE NEMATIC LIQUID-CRYSTALLINE STATE : Physical Chemistry and Physics Institute of the University of Freiburg i. Br.

doi:10.1201/9780203022658-11

ABSTRACT

Fig. 1 Qualitative graph of for 4 different values of the parameters A/TV2. TV2 grows monotonically with the numbering.

ϑ2sin

d ϑ2 1sin  

d ϑ2sin   ------------------------ 1<

Fig. 2 4,4′-di-methoxy-azoxybenzene. Degree of order of the nematic phase determined from: ∇ diamagnetic susceptibility, + refractive index for λ = 456µ, × refractive index for λ= 589µ, ◊ UV-absorption, ♦ IR absorption, S theoretical curve.