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Solution stoichiometry control for pure LiLaMo2O8 phases in sol-gel preparation

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Abstract

The hydrolysis of solutions, containing either LiMo2O4(OPri)5(iPrOH) and “La(OPri)3” or LiOPri and La2Mo4O8(OPri)14 in 1∶1 ratio, in toluene oriPrOH, by water solutions in isopropanol, leads to formation of monolythic gels. The latter can be converted by drying and heat treatment at 600°C into a fine powder of pure α-LiLaMo2O8 phase, which is transformed into β-LiLaMo2O8 powder by annealing at 800°C. The sintering of the pellets pressed under 4 bar pressure of α-LiLaMo2O8 powder at 800°C for 2 h converts them into pieces of β-LiLaMo2O8 transparent ceramics, thus providing a route to LiLnMo2O8 laser waveguide materials.

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Authors and Affiliations

  1. Department of Chemistry, Moscow State University, 119899, Moscow, Russia

    V. G. Kessler, A. N. Panov & N. Ya. Turova

  2. Higher School of Materials Science, Moscow State University, 119899, Moscow, Russia

    A. Yu. Borissevitch

Authors
  1. V. G. Kessler
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  2. A. N. Panov
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  3. N. Ya. Turova
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  4. A. Yu. Borissevitch
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Kessler, V.G., Panov, A.N., Turova, N.Y. et al. Solution stoichiometry control for pure LiLaMo2O8 phases in sol-gel preparation. J Sol-Gel Sci Technol 8, 1049–1051 (1997). https://doi.org/10.1007/BF02436982

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  • DOI: https://doi.org/10.1007/BF02436982

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