A ferrimagnetically coupled liquid crystal

Ferrimagnetic coupling in a mesogen is reported for the first time for the compound MnIII[((OC12H25)4 TPP)](TCNE) · 2 touluene (where TPP = tetraphenyl porphyrin, TCNE – tetracyanoethylene), which displays liquid crystal properties above 381 K and ferrimagnetic properties below 21.4 K. The results f...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 1997-01, Vol.9 (1), p.45-48
Main Authors: Griesar, Klaus, Athanassopoulou, Maria A., Bustamante, Eduardoa Soto, Haase, Wolfgang, Tomkowicz, Zbigniew, Zaleski, Andrzej J.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic liquids
Magnetic properties and materials
Physics
Studies of specific magnetic materials
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Summary:Ferrimagnetic coupling in a mesogen is reported for the first time for the compound MnIII[((OC12H25)4 TPP)](TCNE) · 2 touluene (where TPP = tetraphenyl porphyrin, TCNE – tetracyanoethylene), which displays liquid crystal properties above 381 K and ferrimagnetic properties below 21.4 K. The results from differential scanning calorimetry, X‐ray diffraction, and AC susceptibility studies are discussed. Evidence is presented for the presence of net magnetic moments at zero applied field.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.19970090109