Tunneling Spectra of Individual Magnetic Endofullerene Molecules

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dc.creatorGrose, Jacob E.
dc.creatorTam, Eugenia S.
dc.creatorTimm, Carsten
dc.creatorScheloske, Michael
dc.creatorUlgut, Burak
dc.creatorParks, Joshua J.
dc.creatorAbruna, Hector D.
dc.creatorHarneit, Wolfgang
dc.creatorRalph, Daniel C.
dc.date2008-05-16
dc.date2008-09-22
dc.date.accessioned2026-07-07T13:02:03Z
dc.date.available2026-07-07T13:02:03Z
dc.descriptionThe manipulation of single magnetic molecules may enable new strategies for high-density information storage and quantum-state control. However, progress in these areas depends on developing techniques for addressing individual molecules and controlling their spin. Here we report success in making electrical contact to individual magnetic N@C60 molecules and measuring spin excitations in their electron tunneling spectra. We verify that the molecules remain magnetic by observing a transition as a function of magnetic field which changes the spin quantum number and also the existence of nonequilibrium tunneling originating from low-energy excited states. From the tunneling spectra, we identify the charge and spin states of the molecule. The measured spectra can be reproduced theoretically by accounting for the exchange interaction between the nitrogen spin and electron(s) on the C60 cage.
dc.description7 pages, 4 figures. Typeset in LaTeX, updated text of previous version
dc.identifierhttps://arxiv.org/abs/0805.2585
dc.identifierhttp://arxiv.org/abs/0805.2585
dc.identifierNature Materials 7, 884 - 889 (2008)
dc.identifierdoi:10.1038/nmat2300
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226352
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.titleTunneling Spectra of Individual Magnetic Endofullerene Molecules
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