Observation of superspin-glass behavior in Fe${}_3$O${}_4$ nanoparticles

Masatsugu Suzuki, Sharbani I. Fullem, Itsuko S. Suzuki +2

The aging and memory effects of Fe${}_3$O${}_4$ nanoparticles have been studied using a series of zero-field cooled (ZFC) and field-cooled (FC) magnetization measurements at variou…