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Journal of Applied Physics / Volume 107 / Issue 9 / ARTICLES / Structural, Mechanical, Thermodynamic, and Optical Properties of Condensed Matter

J. Appl. Phys. 107, 093504 (2010); http://dx.doi.org/10.1063/1.3402458 (5 pages)

Optical spectroscopy investigation on distribution of Eu3+ in nanostructured glass ceramics

Yunlong Yu, Fangyi Weng, Daqin Chen, Ping Huang, and Yuansheng Wang

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People's Republic of China

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(Received 19 November 2009; accepted 18 March 2010; published online 3 May 2010)

The time-resolved luminescence spectra of the Eu3+ doped SiO2–Al2O3–NaF–YF3–EuF3 precursor glass reveal that Eu3+ ions locate in both the oxygen-coordination environment and the fluorine-coordination one. After crystallization induced by heat treatment, the orthorhombic YF3 nanocrystals with mean size of 22 nm embedded homogeneously in the glassy matrix. The Stark splitting emission, the low electric dipole 5D0→7F2 transition, the disappearance of the O2−–Eu3+ charge transfer band and the reduction in Ω2 value indicate the partition of Eu3+ into the YF3 lattice. Moreover, the nearly single-exponential luminescence decay curves of the Eu3+:5D0 and 5D1 levels for the 0.1% Eu3+ doped glass ceramic evidence that Eu3+ ions mainly occupy the Y3+ sites.

© 2010 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL DETAILS
  3. RESULTS AND DISCUSSION
  4. CONCLUSION

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KEYWORDS and PACS

Keywords

alumina, charge transfer states, crystallisation, doping, europium, europium compounds, glass ceramics, heat treatment, nanostructured materials, photoluminescence, silicon compounds, sodium compounds, Stark effect, time resolved spectra, yttrium compounds

PACS

  • 78.67.Bf

    Nanocrystals, nanoparticles, and nanoclusters

  • 71.70.Ej

    Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect

  • 81.05.Pj

    Glass-based composites, vitroceramics

  • 78.55.Hx

    Other solid inorganic materials

  • 78.47.jd

    Time resolved luminescence

  • 61.72.up

    Other materials

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3402458

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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