Aromatic polyazomethines, containing azomethine (-C=N) linkage in the main chain, exhibit excellent thermal stability, good mechanical properties, paramagnetism, semiconductivity, metal-chelating ability, and resistance to high energy due to the resonance stabilization of Schiff base unit and, in some cases, liquid crystalline morphology [1-5].
Paramagnetism originates from spin alignment in an applied magnetic field and relates to the competition between thermal versus magnetic energy (m * B/[k.