Influence of annealing temperature on the phase purity, crystallinity and optical properties of Y3Sc2Ga3O12 prepared by different methods

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Authors

PINKAS Jiří GARSKAITE Edita BEGANSKIENE Aldona NENARTAVICIENE Giedre KAREIVA Aivaras

Year of publication 2006
Type Article in Periodical
Magazine / Source Chemija
MU Faculty or unit

Faculty of Science

Citation
Field Inorganic chemistry
Keywords mixed-metal garnets; YSGG; optical materials; sol-gel process
Description Mixed-metal garnet (Y3Sc2Ga3O12, YSGG) samples were prepared by: (i) solgel,(ii) semi-sol-gel, and (iii) solid state reaction methods. In all cases, the precursor powders were calcined for 10 h at 800 oC in air, ground in an agate mortar and heated again for 10 h at different temperatures in the range of 1000–1400 oC in air atmosphere. The synthesized samples were characterized by X-ray powder diffraction analysis and scanning electron microscopy. It was demonstrated that monophasic Y3Sc2Ga3O12 garnet could be obtained at 1000 oC using the sol-gel technique and at 1200 oC using the semi-sol-gel route.
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