Arcon, D; Jaglicic, Z; Zorko, A; Rode, Andrei V; Christy, Andrew; Madsen, Nathan; Gamaly, Eugene G; Luther-Davies, Barry
A range of carbon nanofoam samples was prepared by using a high-repetition-rate laser ablation technique under various Ar pressures. Their magnetic properties were systematically investigated by dc magnetization measurements and continuous wave (cw) as well as pulsed EPR techniques. In all samples we found very large zero-field cooled-field-cooled thermal hysteresis in the susceptibility measurements extending up to room temperature. Zero-field cooled (ZFC) susceptibility measurements also...[Show more]
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