Interrelation between magnetic properties and the molecular structure of some metallomesogens

I. I. Bikchantaev; Y. G. Galyametdinov; A. Prosvirin; K. Griesar; E. A. Soto-Bustamante; Wolfgang Haase

doi:10.1117/12.215537

2 August 1995 Interrelation between magnetic properties and the molecular structure of some metallomesogens

I. I. Bikchantaev, Y. G. Galyametdinov, A. Prosvirin, K. Griesar, E. A. Soto-Bustamante, Wolfgang Haase

Proceedings Volume 2372, Liquid Crystals: Materials Science and Applications; (1995) https://doi.org/10.1117/12.215537
Event: Liquid Crystals: Materials Science and Applications, 1994, Zakopane, Poland

Abstract

The behavior of the wide range of paramagnetic liquid crystalline complexes of Cu and VO was investigated by means of the EPR technique and magnetic susceptibility measurements in different kinds of mesophases. The investigation of EPR spectra shape made it possible to determine molecular orientation in external magnetic field. The temperature dependent magnetic susceptibility measurements were performed to evaluate overall susceptibility anisotropy of mesophase. To explain the observed ways of molecular orientation, the calculations of the total molecular susceptibility (paramagnetic and diamagnetic) were carried out. It was established that the ways of molecular orientation in magnetic field is predetermined by the amount of phenyl rings and enaminoketone cycles in molecular structure and the sign of paramagnetic anisotropy of central metal ion.

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I. I. Bikchantaev, Y. G. Galyametdinov, A. Prosvirin, K. Griesar, E. A. Soto-Bustamante, and Wolfgang Haase "Interrelation between magnetic properties and the molecular structure of some metallomesogens", Proc. SPIE 2372, Liquid Crystals: Materials Science and Applications, (2 August 1995); https://doi.org/10.1117/12.215537

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