1. Synthesis and spectroscopic investigations of lanthanide compounds with phosphoroazo derivatives of β-diketonates

   • W. Amirkhanov
   • C. Janczak
   • J. Legendziewicz

   OriginalPaper Pages: 613 - 624

2. Effect of concentration of spectroscopic properties of Ce-doped silica gel glasses

   • A. A. Boiko
   • E. N. Poddenezhny
   • W. Strėk

   OriginalPaper Pages: 625 - 628

3. Spectroscopic properties of Pr-doped silica gel glasses

   • A. A. Boiko
   • E. N. Poddenezhny
   • J. Legendziewicz

   OriginalPaper Pages: 629 - 635

4. Optical spectroscopy of MgNb₂O₆ and ZnNb₂O₆ doped with Ni²⁺

   • P. McBride
   • R. Sherlock
   • G. Walker

   OriginalPaper Pages: 636 - 642

5. Crystal-field analysis of the Cr³⁺ at monoclinic symmetry (Cs) in Ca₂Al₃Si₃O₁₂(OH) zoisite from tanzania

   • M. Czaja
   • Z. Mazurak
   • A. Suchocki

   OriginalPaper Pages: 643 - 647

6. Spectroscopic properties and crystal-field analysis of Cr³⁺ ions in kyanite Al₂SiO₅

   • M. Czaja
   • Z. Mazurak
   • E. Lukowiak

   OriginalPaper Pages: 648 - 655

7. Spectroscopic properties of Cr-doped silica gel glasses

   • P. J. Deren
   • E. Lukowiak
   • V. E. Gaishun

   OriginalPaper Pages: 656 - 659

8. Vibronic transitions in the absorption spectrum of a U³⁺-doped elpasolite single crystal

   • P. J. Deren
   • W. Stręk
   • J. Drożdżyński

   OriginalPaper Pages: 660 - 663

9. Non-radiative relaxation processes of the Pr³⁺ ion

   • C. de Mello Donega
   • A. Meijerink
   • G. Blasse

   OriginalPaper Pages: 664 - 670

10. Recombination processes in II–VI compounds doped with transition-metal ions

    • M. Godlewski
    • M. Surma
    • A. J. Zakrzewski

    OriginalPaper Pages: 671 - 684

11. Optical spectra and lifetimes of thulium-doped SrLaAlO₄

    • S. Gołąb
    • W. A. Pisarski
    • M. Berkowski

    OriginalPaper Pages: 685 - 692

12. Estimation of the Jahn-Teller stabilization energy in closed-shell transition-metal complexes

    • M. Grinberg
    • Cz. Koepke

    OriginalPaper Pages: 693 - 696

13. Systematic analysis of the optical spectra of selected RE³⁺ ions in rare-earth oxyfluoride

    • J. Hölsä
    • E. Kestilä
    • W. Strek

    OriginalPaper Pages: 697 - 705

14. Electron relaxation study in monocrystals of neodymium compounds of the type NdY₃·2[N₄(CH₂)₆]·nH₂O

    • M. Zalewicz
    • G. Oczko
    • J. Legendziewicz

    OriginalPaper Pages: 706 - 715

15. The photon-avalanche process in rare-earth-activated solids

    • M. -F. Joubert
    • S. Guy
    • C. Linarés

    OriginalPaper Pages: 716 - 724

16. Spectroscopic properties of praseodymium perchlorates in alcohols and 2-halogeno derivatives of ethanol. Part III

    • B. Keller
    • J. Legendziewicz

    OriginalPaper Pages: 725 - 730

17. Incorporation of rare earths into semiconductors as seen by nuclear spectroscopic techniques

    • A. Kozanecki

    OriginalPaper Pages: 731 - 741

18. The orientation of the optical transition moments of Cr-centers in forsterite

    • M. Kosmala
    • E. Mugeński
    • W. Stręk

    OriginalPaper Pages: 742 - 747

19. The effect of γ-irradiation on the optical properties of Cr-doped forsterite

    • M. Kosmala
    • E. Mugenski
    • W. Stręk

    BriefCommunication Pages: 748 - 750

20. Optical spectroscopy in incommensurate phases

    • J. C. Krupa
    • P. Delamoye
    • A. Milicic-Tang

    OriginalPaper Pages: 751 - 760

21. The influence of reverse excitation transfer on donor and acceptor fluorescence decay: Monte Carlo simulations

    • L. Kulak
    • R. Twardowski
    • C. Bojarski

    OriginalPaper Pages: 761 - 765

22. Optical properties of Eu³⁺ and Ho³⁺ in fluoride glasses

    • V. Lavin
    • V. D. Rodriguez
    • Zs. Rasztovits

    OriginalPaper Pages: 766 - 770

23. Effects of dimeric and polymeric structures on spectroscopy of Pr³⁺ and Eu³⁺ ions

    • J. Legendziewicz

    OriginalPaper Pages: 771 - 786

24. The physics of inorganic scintillators

    • A. Lempicki

    OriginalPaper Pages: 787 - 802