EPR OF Mn2+ IMPURITIES IN CALCITE: A DETAILED STUDY PERTINENT TO MARBLE PROVENANCE DETERMINATION

H. Weihe, S. Piligkos, A.L. Barra, Ib Laursen, O. Johnsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We demonstrate that the electron paramagnetic resonance spectrum of Mn2+ impurities in calcite, and therefore also in marble, may be accurately reproduced by a traditional spin Hamiltonian formalism. The success of such a treatment, however, very much depends on the spin Hamiltonian parameters having the correct signs as well as magnitudes. We present data that determine the sign of the axial anisotropy parameter and thereby facilitate future quantum mechanical characterizations of marble electron paramagnetic resonance spectra that supplement provenance determination.
Original languageEnglish
JournalArchaeometry
Volume51
Pages (from-to)43-48
ISSN0003-813X
DOIs
Publication statusPublished - 2009

Keywords

  • CALCITE
  • PROVENANCE
  • SIMULATION
  • EPR
  • MARBLE

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