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Abstract
This manuscript presents the synthesis, characterization and phase transition studies through density measurements on N-(p-n-alkyloxybenzylidene)-p-n-butyloxyanilines, nO.O4 compounds. The alkoxy chains with numbers n = 1 to 11, 14, 16 and 18 are synthesized and the higher homologues with n = 14 are synthesized and characterized for the first time. These compounds exhibit a variety of phase variants. The density results show that all the phase transformations are of first-order except the SmA–SmC phase transition which is of second order. The results are discussed with the body of the data available.
Acknowledgements
The authors J. Lalitha Kumari, Dr P.V. Datta Prasad and M. Ramakrishna Nanchara Rao express their deep appreciation to the management of The Hindu College, Machilipatnam, India for providing assistance. D. Madhavi Latha and Dr V.G.K.M. Pisipati, thank The Head, ECE Department and the management of K.L. University, Vaddeswaram 522 502, India for providing the facilities. This study is supported by the Department of Science and Technology (grant no: SP/S2/CMP-0071/2008).
