Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15

Chiorescu I, Wernsdorfer W, Müller A, Bögge H, Barbara B (2000)
In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 221. ELSEVIER SCIENCE BV: 103-109.

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Abstract
The V-15 polyoxovanadate molecule is made of 15 spins: with antiferromagnetic couplings. It belongs to the class of molecules with very large Hilbert space dimension (2(15) in V-15, 10(8) in Mn-12-AC). It is a low spin/large molecule with spin S = 1/2 Contrary to large spins/large molecules of the Mn-12-AC type, V-15 has no energy barrier against spin rotation. Magnetization measurements have been performed and despite the absence of a barrier, magnetic hysteresis is observed over a timescale of several seconds. This new phenomenon characterized by a "butterfly" hysteresis loop is due to the effect of the environment on the quantum rotation of the entangled 15 spins of the molecule, in which the phonon density of states is not at its equilibrium (phonon bottleneck). (C) 2000 Elsevier Science B.V. All rights reserved.
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Chiorescu I, Wernsdorfer W, Müller A, Bögge H, Barbara B. Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15. In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. Vol 221. ELSEVIER SCIENCE BV; 2000: 103-109.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., & Barbara, B. (2000). Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 221(1-2), 103-109.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., and Barbara, B. (2000). “Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15” in JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 221, (ELSEVIER SCIENCE BV), 103-109.
Chiorescu, I., et al., 2000. Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15. In JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. no.221 ELSEVIER SCIENCE BV, pp. 103-109.
I. Chiorescu, et al., “Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15”, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 221, ELSEVIER SCIENCE BV, 2000, pp.103-109.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., Barbara, B.: Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 221, p. 103-109. ELSEVIER SCIENCE BV (2000).
Chiorescu, I, Wernsdorfer, W, Müller, Achim, Bögge, Hartmut, and Barbara, B. “Non-adiabatic Landau-Zener transitions in low-spin molecular magnet V-15”. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. ELSEVIER SCIENCE BV, 2000.Vol. 221. 103-109.
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