Effect of Coupling Chain Length on the Electro –Optic Properties of Side Chain Liquid Crystal Polymers Adding BaTiO3 Nanoparticles. UTJES [Internet]. 2019 Jun. 1 [cited 2024 May 2];10(1):31-5. Available from: http://jeng.utq.edu.iq/index.php/main/article/view/217