Paramagnetic liquid crystalline nickel(II) compounds

Authors

  • Klaus Griesar,

    Corresponding author
    1. Institut für Physikalische Chemie Technische Hochschule Darmstadt Petersenstrasse 20, D-64287 Darmstadt (FRG)
    • Institut für Physikalische Chemie Technische Hochschule Darmstadt Petersenstrasse 20, D-64287 Darmstadt (FRG)
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  • Dr. Yuri Galyametdinov,

    1. Institut für Physikalische Chemie Technische Hochschule Darmstadt Petersenstrasse 20, D-64287 Darmstadt (FRG)
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  • Maria Athanassopoulou,

    1. Institut für Physikalische Chemie Technische Hochschule Darmstadt Petersenstrasse 20, D-64287 Darmstadt (FRG)
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  • Prof. Igor Ovchinnikov,

    1. Kazan Physical Technical Institute, Russian Academy of Sciences Sibirsky Tract 10/7, 420029 Kazan (Russia)
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  • Prof. Wolfgang Haase

    1. Institut für Physikalische Chemie Technische Hochschule Darmstadt Petersenstrasse 20, D-64287 Darmstadt (FRG)
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  • Y. G. is grateful to DFG for personal support under grant No. 436 RUS-17/35/93.

Abstract

Metallomesogens containing paramagnetic transition metal ions are of interest because the orientation of these mesophases can be controlled by a magnetic field. The first paramagnetic Ni-containing liquid crystals (related to the non-mesogenic compound shown in the Figure) are reported. Their complicated temperature-dependent magnetic behavior is discussed and shown to reflect changes in the coordination core of nickel.

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