Synthesis and characterization of bis [ n -(4-benzoyloxy) Benzylidene{ n (n -di-/tri-alkoxy)benzoyl}-hydrazinato]nickel(II) complexes displaying liquid crystalline columnar phases

M. Nurul Abser, M. Manzurul Karim, Abu Kauser, Rabeya Parvin, M. Elias Molla, Zenifer Yeasmin, Wajdi Michel Zoghaib^*, Zainab Al-Rawahi, Carlo Carboni, Ghalib Al-Saidi

^*المؤلف المقابل لهذا العمل