[15p-K404-1~18] 12.2 Characterization and Materials Physics

6:30 PM - 6:45 PM JST(9:30 AM - 9:45 AM UTC)

[15p-K404-18] Measurement of the appearance of thermal diffusivity anisotropy during dimer liquid crystal phase transition using TWA method

〇Daichi Aizawa¹, Meguya Ryu², Hidemine Furuya¹, Fumito Araoka³, Junko Morikawa¹ (1.Science Tokyo, 2.AIST, 3.RIKEN)

Keywords:

liquid crystal,thermal diffusivity

CBA-n is a dimer liquid crystal with a molecular structure consisting of two cyanobiphenyl mesogens linked by a flexible chain moiety -O(CH2)nO-. CBA-9,10 is known to exhibit different anisotropic processes during the phase transition corresponding to the conformation of the chain moiety. In this study, we measured the parallel and perpendicular thermal diffusivities of CBA-9,10 dilectors by thermal wave analysis (TWA), and combined with morphological observations by polarized light microscopy, we aim to clarify the anisotropy development process of the dimer liquid crystals.