Characterization of the high-spin Mn 2 + -functional centre in BaTiO_3 by means of right-angle wiggling electron paramagnetic resonance spectroscopy

The recently introduced right-angle wiggling (RAW) EPR technique is applied to enhance the resolution of complicated high-spin EPR spectra. In particular, the RAW-EPR technique allows for a considerable resolution enhancement of orientationally disordered systems with anisotropic magnetic interactio...

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Bibliographic Details
Published inMolecular physics Vol. 105; no. 15-16; pp. 2195 - 2201
Main Authors Eichel, Rüdiger-a., Böttcher, Rolf
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 10.08.2007
Subjects
Barium titanate
Manganese doping
Right-angle wiggling EPR
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Summary:The recently introduced right-angle wiggling (RAW) EPR technique is applied to enhance the resolution of complicated high-spin EPR spectra. In particular, the RAW-EPR technique allows for a considerable resolution enhancement of orientationally disordered systems with anisotropic magnetic interactions and provides direct access to spin-Hamiltonian parameters without the need of numerical spectrum simulation. As an example of application, the Mn 2 + -functional centre in polycrystalline BaTiO 3 is studied. §Dedicated to Arthur Schweiger, good friend and inspiring teacher in magnetic resonance (deceased 4 January 2006).
ISSN:0026-8976
1362-3028
DOI:10.1080/00268970701790942