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Magnetic Ordering and Spin-glass Behaviour of Carbon Nanoclusters

Rode, Andrei V; Madsen, Nathan; Christy, Andrew; Luther-Davies, Barry; Arcon, D; Zorko, A; Jaglicic, Z; Lau, Desmond W M; McCulloch, Dougal G


Carbon nanoclusters produced by high-repetition-rate laser ablation of graphite and glassy carbon in Ar exhibits para- and ferromagnetic behaviour at low temperature. The results show that the degree of remanent order is strongly dependent on the magnetic history, i.e. whether the samples were cooled under zero-field or field conditions. Such behaviour is typical for a spin glass structure where the system can exist in many different roughly equivalent spin configurations. The spin-freezing...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Conference paper
Source: Proceedings of the 2006 International Conference on Nanoscience and Nanotechnology
DOI: 10.1109/ICONN.2006.340542


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