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2006 | Vol. 36, nr 4 | s. 443--450
Tytuł artykułu

High pressure spectroscopy of Pr3+ doped KLa(MoO4)2 crystal

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Abstrakty
EN
Optical properties and electronic structure of Pr3+ ion in KLa0.75Pr0.25(MoO4)2 have been investigated. The standard spectroscopy (excitation and photoluminescence spectra) and the high pressure spectroscopy methods have been used. Hydrostatic pressure up to 100 kbar has been applied in diamond anvil cell. The luminescence related to the transitions from the 3P0 and 1D2 states have been measured at ambient temperature for different pressures. We have found that the pressure shifts of the observed emission lines are negative and equal to 2–3 cm–1/kbar. It is due to the changes in Slater and α, β, γ parameters and diminishing of the spin-orbit coupling constant ζ.
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Czasopismo
Rocznik
Strony
s. 443--450
Opis fizyczny
Bibliogr. 15 poz., rys. wykr.
Twórcy
  • Department of Physics, Kazimierz Wielki University, Weyssenhoffa 11, 85-072 Bydgoszcz, Poland, dangal@ukw.edu.pl
autor
  • Institute of Experimental Physics, Gdańsk University, Wita Stwosza 57, 80-952 Gdańsk, Poland
autor
  • Institute of Experimental Physics, Gdańsk University, Wita Stwosza 57, 80-952 Gdańsk, Poland
autor
  • Intytute for Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50-950 Wrocław, Poland
autor
  • Intytute for Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50-950 Wrocław, Poland
Bibliografia
  • [1] KAMIŃSKII A.A., Lasers Crystals. Their Physics and Properties, Springer, Berlin 1981; KAMIŃSKII A.A., Achievements in the field of physics and spectroscopy of activated laser crystals, Physica Status Solidi A 87(1), 1985, pp. 11–57.
  • [2] KAMINSKII A.A., KLEVTSOV P.V., LI L., PAVLYUK A.A., Stimulated emission from KY(WO4 )2:Nd3+crystal laser, Physica Status Solidi A 5(2), 1971, pp. K79–81.
  • [3] SOKOLOVSKY B.M., EVDOKIMOV A.A., TRUNOV V.K., Zhurnal Neorganicheskoi Khimii 22, 1977, p. 1499.
  • [4] KLEVSTOV P.V., KLEVSTOVA R.F., Polymorphism of the double molybdates and tungstates of monoand trivalent metals with the composition M+R3+(EO4 )2, Journal of Structural Chemistry 18(3), 1978, pp. 339–55; (original: Zhurnal Strukturnoi Khimii 18(3), 1977, pp. 419–39).
  • [5] KLEVSTOV P.V., KOZEEVA L.P., PAVLYUK A.A., Polymorphism and crystallization of the potassium – rare earth molybdates KLn(MoO4 )2 (Ln=La, Ce, Pr and Nd), Soviet Physics Crystallography 20(6), 1975, pp. 736–8; (original: Kristallografiya 20(6), 1975, pp. 1216–20).
  • [6] KLEVTSOV P.V., KOZEEVA L.P., KHARTSENKO L.Y., Study on the crystallization and polymorphism of double potassium and trivalent metal tungstates, KR(WO4 )2, Soviet Physics Crystallography 20(6), 1975, pp. 732–5 (original: Kristallografiya 20(6), 1975, pp. 1210–5).
  • [7] WANKLYN B.H., WONDRE F.R., Flux growth of crystals of RKMo2O8, R2MoO6 and R6MoO12 in the systems R2O3–K2O–MoO3, Journal of Crystal Growth 43(1), 1978, pp. 93–100.
  • [8] MACALIK L., RYBA-ROMANOWSKI W., GOŁĄB S., HANUZA J., LEGENDZIEWICZ J., Luminescence and lifetimes of Pr3+ excited states in KLa1–xPrx(MoO4 )2 and KLa1-xPrx(WO4 )2 crystals, Acta Physica Polonica A 90(2), 1996, pp. 301–6.
  • [9] MACALIK L., HANUZA J., SOKOLNICKI J., LEGENDZIEWICZ J., Optical properties of Pr3+ in lanthanum double molybdates and tungstates: KLa1–xPrx(MO4 )2 (M=Mo, W; x≤1), Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 55(2), 1999, pp. 251–62.
  • [10] BORISOV S.V., KLEVSTOVA R.F., Kristallografiya 13, 1968, p. 517.
  • [11] KLEVSTOV P.V., KOZEEVA L.P., PAVLYUK A.A., Kristallografiya 20, 1975, p. 6.
  • [12] GOLDSCHMIDT Z.B., [In] Handbook on the Physics and Chemistry of Rare Earths, [Eds.] K.A.Gschneider, Jr., L. Eyring, Vol. 1, Elsevier 1978, pp. 1–171.
  • [13] WYBOURNE B.G., Spectroscopic Properties of Rare Earths, Interscience Publischers, New York, London, Sydney 1965.
  • [14] TUROS-MATYSIAK R, ZHENG H., WANG J.W.,YEN W.W., MELTZER R.S., UKASIEWICZ T., WIRKOWICZ M., GRINBERG M., Journal of Luminescence, in print.
  • [15] BUNGENSTOCK C., TRÖSTER TH., HOLZAPFEL W.B., Effect of pressure on free-ion and crystal-field parameters of Pr3+ in LOCl (L = La, Pr, Gd), Physical Review B: Condensed Matter and Materials Physics 62(12), 2000, pp. 7945–55.
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Bibliografia
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