2000/04/30 by X. Martinez-Hidalgo, X Martínez-Hidalgo, E. M. Chudnovsky +3 · 1 citation
Chemistry · Materials Science · Physics and Astronomy · #Magnetism in coordination complexes #Organic and Molecular Conductors Research #Synthesis and Properties of Aromatic Compounds #cond-mat.mes-hall
paper · pdf · doi:10.1209/epl/i2001-00331-2
published as Europhys. Lett. 55 (2), 273 (2001) · 7 pages, no figures, submitted to EPL
arxiv created 2001/01/18 · openalex publication_date 2001/07/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04
We show that the low-temperature physics of molecular nanomagnets, contrary to the prevailing one-molecule picture, must be determined by the long-range magnetic ordering due to many-body dipolar interactions. The calculations here performed, using Ewald's summation, suggest a ferromagnetic ground state with a Curie temperature of about 130 mK. The energy of this state is quite close to those of an antiferromagnetic state and to a glass of frozen spin chains. The latter may be realized at finite temperature due to its high entropy.