Transverse Field Ising Ferromagnetism in Mn${}_{12}$-acetate-MeOH

Abstract

We report measurements of the magnetic susceptibility of single crystals of Mn${}_{12}$-acetate-MeOH, a new high-symmetry variant of the original single molecule magnet Mn${}_{12}$-acetate. A comparison of these data to theory and to data for the Mn${}_{12}$ acetate material shows that Mn${}_{12}$-acetate-MeOH is a realization of a transverse-field Ising ferromagnet in contrast to the original Mn${}_{12}$ acetate material, in which solvent disorder leads to effects attributed to random field Ising ferromagnetism.

arXiv comment6 pages, 4 figures

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Cited by in corpus (1)

• Quantum Fluctuations and Long-Range Order in Molecular Magnets