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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences

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IMPACT FACTOR 2016: 0.631

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1865-7117
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Volume 69, Issue 2

Issues

Development of Nd3+-doped Monoclinic Dimolybdates La2Mo2O9 as Optical Materials

Małgorzata Guzik
  • Corresponding author
  • Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Street, 50-383 Wrocław, Poland
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/ Magdalena Bieza
  • Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie Street, 50-383 Wrocław, Poland
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/ Elżbieta Tomaszewicz
  • Department of Inorganic and Analytical Chemistry, West Pomeranian University of Technology, Al. Piastów 42, 71-065 Szczecin, Poland
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/ Yannick Guyot
  • Institute Light Matter, UMR5306 CNRS-University Lyon1, University of Lyon, 69622 Villeurbanne, France
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/ Georges Boulon
  • Institute Light Matter, UMR5306 CNRS-University Lyon1, University of Lyon, 69622 Villeurbanne, France
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Published Online: 2014-06-02 | DOI: https://doi.org/10.5560/znb.2014-3290

The work presented is mainly focused on synthesis and study of structural and optical properties of microcrystalline Nd3+-doped monoclinic dilanthanum dimolybdate at both room and cyrogenic temperatures (4K and 77 K). These compounds might be useful for application in the future as optical materials and also as transparent ceramics when the structure is cubic. The Nd3+-doped phases with monoclinic structure (α-form, space group P21, unit cell parameters a = 7:1426, b = 7:1544, c = 7:1618 Å and β = 89:538°) were observed for a concentration of the optically active ions equal to 5%. When the concentration of the Nd3+ ions is higher than 15%, a cubic structure is formed (β-form, space group P213, with the lattice parameter a = 7:155±0:005 Å). A series of Nd3+- doped La2Mo2O9 phases with different concentration of Nd3+ were prepared using conventional solid-state reactions. The formation of phase-pure Nd3+-doped La2Mo2O9 has been monitored by powder X-ray diffraction, DSC, SEM, Raman, and FT-IR absorption techniques. High-resolution absorption and emission spectra, as well as the dynamics of the Nd3+ excited states characterized by decay time measurements were recorded from room temperature to 4 K. At least two slightly different crystallographic sites are available for the Nd3+ ions. First results show that this new Nd3+-doped monoclinic La2Mo2O9 molybdate phosphor is promising for applications of ultra-short pulse lasers.

Graphical Abstract

Development of Nd3+-doped Monoclinic Dimolybdates La2Mo2O9 as Optical Materials

Development of Nd3+-doped Monoclinic Dimolybdates La2Mo2O9 as Optical Materials

Keywords: Nd3+` Emission; Monoclinic System; Molybdates; Near-infrared Luminescence; Powder Lasers

About the article

Received: 2013-10-09

Published Online: 2014-06-02

Published in Print: 2014-02-01


Citation Information: Zeitschrift für Naturforschung B, Volume 69, Issue 2, Pages 193–204, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.5560/znb.2014-3290.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung.

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