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Highly transparent ytterbium doped yttrium lanthanum oxide ceramics 被引量:8

Highly transparent ytterbium doped yttrium lanthanum oxide ceramics
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摘要 To prepare ytterbium doped lanthania yttria nanopowder a method of laser evaporation of mixed oxides was used. After calcinations of the powder at 1200 ℃ a pure single-phase solid solution yb3+:(LaxY1-x)2O3 was formed in the nanoparticles. Influence of lanthanum oxide as an isovalent additive on the yttria structure was investigated. The lanthanium ions were proved to be a good aid to sinter yttria ceramics doped with Yb3+ at moderate temperatures about 1650 ℃. The ceramics with relative density higher than 99.99% and grain size about 40 μm were fabricated. Full transmittance of 1.8 mm thick Yb0.11 La0.23Y1.66O3 ceramics reached 82.5% at 800 nm. This material could be a good gain medium for ytterbium high power pulse lasers. To prepare ytterbium doped lanthania yttria nanopowder a method of laser evaporation of mixed oxides was used. After calcinations of the powder at 1200 ℃ a pure single-phase solid solution yb3+:(LaxY1-x)2O3 was formed in the nanoparticles. Influence of lanthanum oxide as an isovalent additive on the yttria structure was investigated. The lanthanium ions were proved to be a good aid to sinter yttria ceramics doped with Yb3+ at moderate temperatures about 1650 ℃. The ceramics with relative density higher than 99.99% and grain size about 40 μm were fabricated. Full transmittance of 1.8 mm thick Yb0.11 La0.23Y1.66O3 ceramics reached 82.5% at 800 nm. This material could be a good gain medium for ytterbium high power pulse lasers.
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2014年第3期254-258,共5页 稀土学报(英文版)
基金 Project supported by Russian Fund of Basic Research(NSFC-RFBR 512111056/13-02-91173-ГФЕН_а,and 13-02-01237,13-02-96043) Ural branch of Russian Academy of Sciences(13-2-054-РЦЛ) Program of Presidium of Russian Academy of Sciences
关键词 RE-doped ceramics NANOPOWDERS ytterbium oxide TRANSPARENCY RE-doped ceramics nanopowders ytterbium oxide transparency
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