Abstract
The piezoelectric response in chiral smectic C* and smectic F* phases of a binary mixture of N-(4-n-heptyloxybenzylidene)4′-n-hexylaniline (7O.6) chiralized by 4-n-heptyloxy-4′-hydroxybiphenyl α-chlorocarboxylic acid ester (A7) has been observed by the method of Blinov et al.