Low-energy spin excitations in the molecular magnetic cluster V-15

Chaboussant G, Basler R, Sieber A, Ochsenbein ST, Desmedt A, Lechner RE, Telling MTF, Kögerler P, Müller A, Gudel HU (2002)
EUROPHYSICS LETTERS 59(2): 291-297.

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We report an Inelastic Neutron Scattering (INS) study of the fully deuterated molecular compound K-6[V-15(IV) As6O42] . 9D(2)O(V-15). Due to geometrical frustration, the essential physics at low temperatures of the V 15 cluster containing 15 coupled V4+ (S = 1/2) is determined by three weakly coupled spin-(1/2) on a triangle. The INS spectra at low energy allow us to directly determine the effective exchange coupling J(0) = 0.211(2) meV within the triangle and the gap 2 = 0.035(2) meV between the two spin-(1/2) doublets of the ground state. Results are discussed in terms of deviations from trigonal symmetry and Dzyaloshinskii-Moriya (DM) interactions.
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Chaboussant G, Basler R, Sieber A, et al. Low-energy spin excitations in the molecular magnetic cluster V-15. EUROPHYSICS LETTERS. 2002;59(2):291-297.
Chaboussant, G., Basler, R., Sieber, A., Ochsenbein, S. T., Desmedt, A., Lechner, R. E., Telling, M. T. F., et al. (2002). Low-energy spin excitations in the molecular magnetic cluster V-15. EUROPHYSICS LETTERS, 59(2), 291-297.
Chaboussant, G., Basler, R., Sieber, A., Ochsenbein, S. T., Desmedt, A., Lechner, R. E., Telling, M. T. F., Kögerler, P., Müller, A., and Gudel, H. U. (2002). Low-energy spin excitations in the molecular magnetic cluster V-15. EUROPHYSICS LETTERS 59, 291-297.
Chaboussant, G., et al., 2002. Low-energy spin excitations in the molecular magnetic cluster V-15. EUROPHYSICS LETTERS, 59(2), p 291-297.
G. Chaboussant, et al., “Low-energy spin excitations in the molecular magnetic cluster V-15”, EUROPHYSICS LETTERS, vol. 59, 2002, pp. 291-297.
Chaboussant, G., Basler, R., Sieber, A., Ochsenbein, S.T., Desmedt, A., Lechner, R.E., Telling, M.T.F., Kögerler, P., Müller, A., Gudel, H.U.: Low-energy spin excitations in the molecular magnetic cluster V-15. EUROPHYSICS LETTERS. 59, 291-297 (2002).
Chaboussant, G, Basler, R, Sieber, A, Ochsenbein, ST, Desmedt, A, Lechner, RE, Telling, MTF, Kögerler, Paul, Müller, Achim, and Gudel, HU. “Low-energy spin excitations in the molecular magnetic cluster V-15”. EUROPHYSICS LETTERS 59.2 (2002): 291-297.
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