Abstract: In the current work the changes in a crystalline structure and the change of magnetic and resonant properties occurring in the powder of fullerite, deformed under conditions of free upsetting at room temperature have been investigated. The analysis of the ratio of the discovered broadening of x- ray reflexes allows believing that broadening is caused by microstresses, which have rather a great value. According to ESR research data the supposition has been made that torn off valence bonds of atoms of carbon, which appear because of mechanical damages under the deformation, are responsible for the changes of magnetic properties observed. !13
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