Dielectric measurements of new antiferroelectric liquid crystals |
| |
| Authors: | P. Perkowski K. Ogrodnik D. Łada W. Piecek J. Rutkowska Z. Raszewski M. Żurowska R. Dąbrowski X. Sun |
| |
| Affiliation: | (1) Institute of Applied Physics, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, Poland;(2) Institute of Chemistry, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, Poland;(3) Nanyang Technological University, Nanyang Ave., 639798 Singapore, Singapore |
| |
| Abstract: | ![]()
Three new pure antiferroelectric materials, synthesized at the Military University of Technology (MUT), were investigated by dielectric means. Clear relaxation modes were detected, i.e., Soft, Goldstone, low frequency in-phase (PL) as well high frequency anti-phase (PH) modes for paraelectric Sm A*phase, ferroelectric Sm C* phase and antiferroelectric Sm CA* phase, respectively. Additionally, a high relaxation mode in Sm CA* was found. The relaxation frequencies fR of the observed modes were calculated from Cole-Cole diagrams. |
| |
| Keywords: | relaxation modes antiferroelectric liquid crystals dielectric permittivity |
| 本文献已被 SpringerLink 等数据库收录！ |
|
