1B14 新規二量体液晶のネマチック相に誘起された異常なエンタルピー変化(化学・材料)

抄録

A novel dimeric liquid-crystalline molecule that two mesogenic groups are connected via catechol was prepared and the phase behaviour was investigated. This compound showed the nematic and monotropic smectic C phases. In DSC measurements unusual enthalpy changes were observed in the N phase on heating from the monotropic SmC phase. In XRD in the N phase a sharp peak was observed around 2θ = 3.2 degree, indicating the formation of smectic-like layer structure in the N phase.