Weak electron irradiation suppresses the anomalous magnetization of N-doped diamond crystals
Annette Setzer,
Pablo D. Esquinazi,
Olesya Daikos
et al.
Abstract:Several diamond bulk crystals with a concentration of electrically neutral single substitutional nitrogen atoms of 80 ppm, the so-called C-or P1-centres, were irradiated with electrons at 10 MeV energy and low fluence. The results show a complete suppression of the irreversible behavior in field and temperature of the magnetization below ∼ 30 K, after a decrease of 40 ppm in the concentration of C-centres produced by the electron irradiation. This result indicates that magnetic C-centres are at the origin of t… Show more
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