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Tunable High-Field/ High-Frequency ESR and High-Field Magnetization on Single-Molecule Clusters / Abstimmbare Hochfeld/ Hochfrequenz ESR und Hochfeldmagnetisierung von Einzelmolekül-Clustern

In this work, low dimensional iron group clusters have been studied by application of high magnetic fields. The magnetization has been probed with an MPMS as function of temperature and field. The combination with pulse field measurements up to 52\,T allowed determination of the magnetic exchange coupling parameters, and to probing the effective spin of the ground state. The main focus was on tunable high-field/high-frequency (tHF) ESR in static fields < 17 T and pulse field ESR up to 36 T. This magnetic resonance method has been used for the characterization of the local magnetic properties: The detailed analysis of the field dependence of dedicated spin states allowed to determine the magnetic anisotropy and g-factors. The results were analyzed in the framework of the appropriate effective spin Hamiltonians in terms of magnetization fits and ESR spectrum simulations.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa.de:bsz:14-ds-1199739868406-44757
Date07 January 2008
CreatorsGolze, Christian
ContributorsTechnische Universität Dresden, Physik, Prof. Dr. B. Büchner, Prof. Dr. B. Büchner, Prof. Dr. H.-H. Klauss, Prof. Dr. J. Schnack
PublisherSaechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typedoc-type:doctoralThesis
Formatapplication/pdf

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