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Proceedings Paper

Liquid-crystalline paramagnetic Cu(II) complexes of enaminoketone ligands
Author(s): Wieslaw Pyzuk; Ewa Gorecka; Adam Krowczynski
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Paper Abstract

Studies of complexes: [R-C6H4-CO(CH)2N-Alk]2Cu, (I), [Alk-CO(CH)2N-C6H4-R]2Cu, (II), and [R1-C6H4-CO(CH)2N-C6H4-R2]2Cu, (III), for various terminal substituents R, R1, R2, are presented. For alkyl substituents R, complexes are low- melting and low-clearing nematics [group (I)] and smectics A [group (II)]. Mesophases are monotropic for pure compounds, enantiotropic for mixtures. Elongation of molecular core by introduction trans-cyclohexyl rings into R substituents leads to enantiotropic paramagnetic mesogens. Complexes of the group (III) are high-melting and high-clearing mesogens which usually undergo decomposition in the isotropic phase.

Paper Details

Date Published: 15 October 1993
PDF: 6 pages
Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); doi: 10.1117/12.156942
Show Author Affiliations
Wieslaw Pyzuk, Univ. of Warsaw (Poland)
Ewa Gorecka, Univ. of Warsaw (Poland)
Adam Krowczynski, Univ. of Warsaw (Poland)


Published in SPIE Proceedings Vol. 1845:
Liquid and Solid State Crystals: Physics, Technology and Applications

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