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Unconventional Magnetism in All-Carbon Nanofoam

Rode, Andrei V; Gamaly, Eugene G; Christy, Andrew; Fitz Gerald, John; Hyde, Stephen; Elliman, Robert; Luther-Davies, Barry; Veinger, A I; Androulakis, J.; Giapintzakis, J.


We report production of nanostructured magnetic carbon foam by a high-repetition-rate, high-power laser ablation of glassy carbon in Ar atmosphere. A combination of characterization techniques revealed that the system contains both sp2 and sp3 bonded carbon atoms. The material is a form of carbon containing graphite-like sheets with hyperbolic curvature, as proposed for "schwarzite." The foam exhibits ferromagnetic-like behavior up to 90 K, with a narrow hysteresis curve and a high saturation...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.70.054407


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