Giant exchange coupling and field-induced slow relaxation of magnetization in Gd2@C79N with a single-electron Gd-Gd bond.

Georgios VelkosD S KrylovKyle M Kirkpatrick X LiuL SpreeA U B WolterB BüchnerHarry C Dorn Alexey A Popov

Published in: Chemical communications (Cambridge, England) (2018)

Magnetic properties of the azafullerene Gd2@C79N are studied by SQUID magnetometry. The effective exchange coupling constant jGd,e between the Gd spins and the spin of unpaired electron residing on the single-electron Gd-Gd bond is determined to be 170 ± 10 cm-1. Low temperature AC measurements revealed field-induced millisecond-long relaxation of magnetization.

Keyphrases

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