Organic material having a very narrow ESR line width and Gauss meter or magnetometer probe using the same.

摘要

The invention relates to an organic material with a very narrow electron paramagnetic resonance (EPR) line. This material consists of a salt of 1,2,7,8-tetrahydrocyclopentaperylene which can advantageously have been subjected to a heat treatment.
<??>Applications to the manufacture of probes for gaussmeters and magnetometers.