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Title: Hysteresis loops and adiabatic landau-zener-stuckelberg transitions in the magnetic molecule {V6}
Authors: Rousochatzakis, Ioannis
Ajiro, Y.
Mitamura, H.
Kogerler, P.
Luban, Marshall
Issue Date: 2005
Publisher: © American Physical Society (APS)
Citation: ROUSOCHATZAKIS, I. ... et al., 2005. Hysteresis loops and adiabatic landau-zener-stuckelberg transitions in the magnetic molecule {V6}. Physical Review Letters, 94: 147204.
Abstract: We have observed hysteresis loops and abrupt magnetization steps in the magnetic molecule {V6}, where each molecule comprises a pair of identical spin triangles, in the temperature range 1-5 K for external magnetic fields B with sweep rates of several Tesla per millisecond executing a variety of closed cycles. The hysteresis loops are accurately reproduced using a generalization of the Bloch equation based on direct one-phonon transitions between the instantaneous Zeeman-split levels of the ground state (an S = 1/2 doublet) of each spin triangle. The magnetization steps occur for B ≈ 0, and they are explained in terms of adiabatic Landau-Zener-Stückelberg transitions between the lowest magnetic energy levels as modified by an intertriangle anisotropic exchange of order 0.4 K. © 2005 The American Physical Society.
Description: This paper was accepted for publication in the journal Physical Review Letters and the definitive published version is available at https://doi.org/10.1103/PhysRevLett.94.147204
Version: Accepted for publication
DOI: 10.1103/PhysRevLett.94.147204
URI: https://dspace.lboro.ac.uk/2134/34420
Publisher Link: https://doi.org/10.1103/PhysRevLett.94.147204
ISSN: 0031-9007
Appears in Collections:Published Articles (Physics)

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