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Low-temperature luminescent properties of Mn-activated layered cadmium and calcium halides

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Inorganic Materials Aims and scope

Abstract

The luminescent properties of Mn-activated CdCl2, CdBr2, CdI2, and CaI2 crystals are studied in the range 4.2-200 K. The photo- and roentgenoluminescence spectra of the crystals show red emission bands due to the Mn activator. The excitation spectra and Mn luminescence kinetics are interpreted in terms of the crystal-field theory with consideration for electron paramagnetic resonance data. The red luminescence of the crystals at 4.2 K is attributed to the 4 T 1g(4 G) → 6 A 1g(6 S) electron-phonon transitions of Mn2+. The Racah parameters B and C are determined. The origin of the 600-nm luminescence in CdBr2:Mn2+ under excitation with a nitrogen laser and xenon lamp at 320-360 nm in the range 4.2–90 K is discussed.

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Authors and Affiliations

  1. Franko National University, Universitetskaya ul. 1, 79000, Lviv, Ukraine

    M. R. Panasyuk, S. S. Novosad & I. S. Novosad

  2. Lviv National Polytechnical University, ul. Bandery 12, 79013, Lviv, Ukraine

    V. E. Goncharuk & I. M. Kravchuk

Authors
  1. M. R. Panasyuk
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  2. V. E. Goncharuk
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  3. I. M. Kravchuk
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  4. S. S. Novosad
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  5. I. S. Novosad
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Additional information

Translated from Neorganicheskie Materialy, Vol. 41, No. 2, 2005, pp. 230–234.

Original Russian Text Copyright © 2005 by Panasyuk, Goncharuk, Kravchuk, S. Novosad, I. Novosad.

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Panasyuk, M.R., Goncharuk, V.E., Kravchuk, I.M. et al. Low-temperature luminescent properties of Mn-activated layered cadmium and calcium halides. Inorg Mater 41, 182–186 (2005). https://doi.org/10.1007/s10789-005-0040-1

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  • DOI: https://doi.org/10.1007/s10789-005-0040-1

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