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EPR study of divalent manganese in northupite single crystal
Author(s) -
Eftaxias K.,
VassilikouDova A. B.
Publication year - 1994
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170290218
Subject(s) - electron paramagnetic resonance , manganese , hyperfine structure , divalent , crystallography , chemistry , ion , isotropy , zero field splitting , spectral line , single crystal , crystal field theory , nuclear magnetic resonance , atomic physics , physics , electron , optics , organic chemistry , quantum mechanics , astronomy , spin polarization
EPR spectra of Mn 2+ in northupite single crystals were measured at X‐band and room temperature. Only one isotropic sextet is recorded for all orientations. The hyperfine splitting constant of 81 · 10 −4 cm −1 is in the expected range for Mn 2+ in six‐fold coordination. The very small zero field splitting gives a strong evidence that the occupied site by Mn‐ion is the Mg‐site in consistence with the preference of Mn 2+ for such a substitution.
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