Volume 66, Number 6, June 2004
|Page(s)||861 - 867|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 June 2004|
Resonant photon absorption in the low-spin molecule
Laboratoire Louis Néel, associé à l'UJF, CNRS BP 166, 38042 Grenoble Cedex 9, France
2 Facultät für Chemie, Universitat Bielefeld - D-3300501 Bielefeld, Germany
3 Laboratoire de Photonique et de Nanostructures, CNRS - 91460 Marcoussis, France
Accepted: 15 April 2004
Resonant photon absorption in the GHz range was observed via low-temperature micro-SQUID magnetization measurements of the spin ground state of the molecular complex . A simple single-molecule interpretation is proposed. The line width essentially results from intra-molecular hyperfine interaction. The results point out that observing Rabi oscillations in molecular nanomagnets requires well-isolated low-spin systems and high radiation power.
PACS: 75.45.+j – Macroscopic quantum phenomena in magnetic systems / 75.50.Xx – Molecular magnets / 75.60.Ej – Magnetization curves, hysteresis, Barkhausen and related effects
© EDP Sciences, 2004
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