[LCTp1] Evaluation Technologies

[LCTp1-4] Novel Measurement Method for Difference of Flexo-coefficients (e₁₁-e₃₃) by Using Disclination Lines in HAN Cells with Concentric Rubbing Treatment

*Taiju Takahashi¹, Noriki Shirai¹, Yukihiro Kudoh¹ (1. Kogakuin University (Japan))

Keywords:Flexoelectric, Flexo-coefficients, e11-e33, Concentric rubbing

We propose a novel evaluation method for the difference of flexo-coefficients ’e₁₁-e₃₃’. A HAN cell with in-plane electrodes treated concentric rubbing is used. Positions of disclination lines which occur due to the flexo-polarization under applying the dc electric field are used for evaluating e₁₁-e₃₃ with fitting of numerical calculated results.