Abstract
Organic material exhibiting a novel ferromagnetic behavior were obtained by the pyrolysis of the mixture of o, m, p-phenylenediamine (PDA) and 2, 4, 6-triphenoxy-1, 3, 5-triazine (TPTA) at 500-1000°C. The content of ferromagneticlike part was largest in the sample prepared at 600°C. The larger values of spin concentration Ns (1.18×1019 spins/g) and saturation magnetization Ms (6.24×-1 emu·G/g) have been found in the product obtained from TPTA/m-PDA than those from TPTA/o-PDA and TPTA/p-PDA. Ferrimagnetic behavior was observed in the material obtained by the pyrolysis of TPTA/BG (benzoguanamine), TPTA/melamine (M), M/-PDA and BG/m-PDA containing nitrogen atoms. The results are tentatively discussed in terms of parallel spin orientation of nitrogen radicals.
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