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Digitale Medien

Solution stoichiometry control for pure LiLaMo2O8 phases in sol-gel preparation (1997)

Kessler, V. G. ; Panov, A. N. ; Turova, N. Ya. ; [weitere]

Springer

Journal of sol gel science and technology 8 (1997), S. 1049-1051

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Details

ISSN: 1573-4846

Schlagwort(e): heterometallic alkoxides ; hydrolysis ; gelation ; laser materials

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The hydrolysis of solutions, containing either LiMo2O4(OPr i )5( i PrOH) and “La(OPr i )3” or LiOPr i and La2Mo4O8(OPr i )14 in 1∶1 ratio, in toluene or i PrOH, 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02436982

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