Abstract
Theoretic generalization of ferromagnetic ordering in low and three-dimensional organic substances has been achieved. The conception of ferromagnetic exchange in boron or nitrogen substituted 2-dimensional carbon nets has got further development. Fundamentally new result has been obtained on the possibility of the ferromagnetic interaction of spins separated by sp 3-centre. Basing upon this theoretic approach a number of three-dimensional carbon structures has been forwarded. The estimated theoretic magnetization of substances with such structures reaches 230 G g −I, which is somewhat above the record magnetization of α -Fe (2I5G-g −I). These structures may be considered as intermediate graphite-diamond structures (IGD-structures). The organic materials with saturation magnetization around 200 G.g −I have been found in the products of controlled pirolysis of polyacrilonitryl. Curie temperature of this material is 480°C.
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