Abstract:
We have considered the problems of agglomeration of yttrium aluminium garnet (YAG) nanopowders prepared by chemical co-precipitation of precursors from aqueous solutions and subsequent calcination. To fabricate YAG and Y2O3 laser ceramic samples with high optical transmittance and reproducible characteristics, we have developed a method for producing non-agglomerated nanopowders of pure and doped Y2O3 by homogeneous chemical precipitation. Nanopowders Y2O3 with La and Yb as well as mixtures of Y2O3 : Nd and several commercial nanopowders of aluminium oxide have been compacted; optimised compacting technique have been selected; ceramic samples (Y, La, Yb)2O3 and YAG : Nd with high optical transmittance at a wavelength of 1 mm have been produced by solid-phase synthesis.
Citation:
S. N. Bagayev, A. A. Kaminskii, Yu. L. Kopylov, V. B. Kravchenko, A. V. Tolmachev, V. V. Shemet, R. P. Yavetskii, “Nanopowders M2O3 (M = Y, La, Yb, Nd) with spherical particles and laser ceramics based on them”, Kvantovaya Elektronika, 43:3 (2013), 271–275 [Quantum Electron., 43:3 (2013), 271–275]
Linking options:
https://www.mathnet.ru/eng/qe15138
https://www.mathnet.ru/eng/qe/v43/i3/p271
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