Critical Effect of the Length of Counterions in Mesogenic Lanthanide Complexes on the Electro-Optical Properties of Their Melts

S. G. Polushin, I. E. Lezova, G. E. Polushina, V. B. Rogozhin, E. I. Ryumtsev, K. A. Romanova, Yu G. Galyametdinov

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Isotropic melts of nine metallomesogenic complexes with a smectic-А phase have been studied by the electric birefringence method. Complexes include Dy, Tb, Gd, and Er rare-earth ions, Schiff bases as ligands, and alkyl sulfate or nitric-acid counterions. It has been shown for the first time that both the magnitude and the sign of the electro-optical effect in the isotropic phase for the studied substances are determined by the length of counterions. This means that the dielectric anisotropy of smectic lanthanide complexes can vary widely depending on counterions: it can be positive, negative, or close to zero.

Original languageEnglish
Pages (from-to)431-434
Number of pages4
JournalJETP Letters
Volume107
Issue number7
DOIs
StatePublished - 1 Apr 2018

Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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