@inproceedings{96b3fed7da7a45c88fb789b0c42c2b59,
title = "Positive magnetisation in carbon nanoclusters produced by high-repetition-rate laser ablation",
abstract = "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 temperature is unusually high (50 - 300 K) compared with ≤ 15 K for typical spin glasses. The maximum in the zero-field magnetic susceptibility experiments and their field dependence indicate that there is competition between ferromagnetic and antiferromagnetic exchange pathways, accounting for the spin glass behavior and/or a low-dimensionality of the system.",
author = "Rode, \{Andrei V.\} and Denis Arcon and Andrej Zorko and Zvonko Jaglicic and Christy, \{Andrew G.\} and Madsen, \{Nathan R.\} and Barry Luther-Davies and Lau, \{Desmond W.M.\} and McCulloch, \{Dougal G.\}",
year = "2007",
doi = "10.1557/proc-998-j03-05",
language = "English",
isbn = "9781605604312",
series = "Materials Research Society Symposium Proceedings",
publisher = "Materials Research Society",
pages = "50--56",
booktitle = "Materials Research Society Symposium Proceedings - Nanoscale Magnetics and Device Applications",
note = "Nanoscale Magnetics and Device Applications - 2007 MRS Spring Meeting ; Conference date: 09-04-2007 Through 13-04-2007",
}