Relaxation of Nematic Oriented by Magnetic and Electric Fields: Acoustical Investigation

Abstract

We present the results of ultrasonic researches of bulk sample of nematic liquid crystal, oriented by joint action of electric and magnetic fields. The measurements were carried out in a nematic mixture with δϵ>0 previously oriented by a magnetic field. An electric field, applied to the LC sample induced the changes of a director orientation, and ultrasonic attenuation coefficient. The experimental dependencies are satisfactory described by the equation of motion of the director.

Key Words:

• electric field
• magnetic field
• nematic mixture