Fine structure of A1g - > A1g, Eg (G) absorption band in MnF2

Systematic spectroscopic measurements of the spectral lines in MnF2 have been carried out in the temperature range 10-300 K. Observations of exciton and exciton-magnon sidebands in the fine structures of the 6A1g - > 4A1g, 4Eg (4G) state of Mn+2 ions are reported at low temperatures for MnF2. The...

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Bibliographic Details
Published in:Solid state sciences 2009-02, Vol.11 (2), p.544-548
Main Authors: Darwish, S, Al-Tel, S Y, Abu-Teir, M M, Kitanah, R M-L, Legrouze, A A, Saleh, A M
Format: Article
Language:English
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Summary:Systematic spectroscopic measurements of the spectral lines in MnF2 have been carried out in the temperature range 10-300 K. Observations of exciton and exciton-magnon sidebands in the fine structures of the 6A1g - > 4A1g, 4Eg (4G) state of Mn+2 ions are reported at low temperatures for MnF2. The fine structure of the C-band is mainly attributed to spin multiplicity in the ordered state. In addition, the pure exciton bands have been identified and the ratios for the separation energies between these lines are fitted with the ratios expected form Lande interval rule.
ISSN:1293-2558
DOI:10.1016/j.solidstatesciences.2008.06.016