Magnetism of isolated Mn12 single-molecule magnets detected by magnetic circular dichroism: Observation of spin tunneling with a magneto-optical technique

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Title:	Magnetism of isolated Mn12 single-molecule magnets detected by magnetic circular dichroism: Observation of spin tunneling with a magneto-optical technique
Author:	Domingo, N.; Williamson, B. E.; Gomez-Segura, J.; Gerbier, Ph.; Ruiz-Molina, D.; Amabilino, David B.; Veciana, Jaume; Tejada Palacios, Javier
Other authors:	Universitat de Barcelona
Abstract:	We report magnetic and magneto-optical measurements of two Mn12 single-molecule magnet derivatives isolated in organic glasses. Field-dependent magnetic circular dichroism (MCD) intensity curves (hysteresis cycles) are found to be essentially identical to superconducting quantum interference device magnetization results and provide experimental evidence for the potential of the optical technique for magnetic characterization. Optical observation of magnetic tunneling has been achieved by studying the decay of the MCD signal at weak applied magnetic field
Subject(s):	-Propietats magnètiques -Propietats òptiques -Matèria condensada -Efecte túnel -Dicroisme circular -Magnetic properties -Optical properties -Condensed matter -Tunnel effect -Circular dichroism
Rights:	(c) The American Physical Society, 2004
Document type:	Article Article - Published version
Published by:	The American Physical Society
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