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Polyaniline (PANI)/para-toluene sulfonic acid (pTSA) and PANI/pTSA-TiO 2 composites were prepared using chemical method and characterized by infrared spectroscopy (IR), powder X-ray diffraction (XRD), scanning electron microscopy (SEM). The electrical conductivity and magnetic properties were also measured. In corroboration with XRD, the micrographs of SEM indicated the homogeneous dispersion...
Theoretical calculations for molecular-based magnetic materials have been carried out and successfully revealed magnetic interaction. Recently, Sugimoto and his co-workers reported synthesis and experimental studies for salts of TTF-derivative donors and Cu n Br m (S=1/2) chains. In these crystals, their magnetic properties depend on structure changing. In this paper, we focus on magnetic...
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