Sampling the two-dimensional density of states g(E,M) of a giant magnetic molecule using the Wang-Landau method
Autor(en): | Torbruegge, Stefan Schnack, Juergen |
Stichwörter: | LARGE CLUSTERS; Materials Science; Materials Science, Multidisciplinary; Physics; Physics, Applied; Physics, Condensed Matter | Erscheinungsdatum: | 2007 | Herausgeber: | AMER PHYSICAL SOC | Journal: | PHYSICAL REVIEW B | Volumen: | 75 | Ausgabe: | 5 | Zusammenfassung: | The Wang-Landau method is used to study the magnetic properties of the giant paramagnetic molecule {Mo72Fe30} in which 30 Fe3+ ions are coupled via antiferromagnetic exchange. The two-dimensional density of states g(E,M) in energy and magnetization space is calculated using a self-adaptive version of the Wang-Landau method. From g(E,M) the magnetization and magnetic susceptibility can be calculated for any temperature and external field. |
ISSN: | 24699950 | DOI: | 10.1103/PhysRevB.75.054403 |
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