Phase-pure nanocrystalline powders of doped apatite type lanthanumsilicate
(ATLS) with and without dopants (Al, Fe,Mg) on the silicon
site La10 − ySi6 − x(Fe, Al,Mg)xO26 + z were successfully prepared and
sintered into dense pellets withmicro-meter sized grains. The obtained
apatite type lanthanum silicate LSO (La9.33Si6O26) electrolyte and the
Al-, Fe- and Mg-doped compositions LASO (La9.83Al1.5Si4.5O26), LFSO
(La9.83Fe1.5Si4.5O26), and LMSO (La9.93Mg0.9Si5.1O26) have been investigated
in terms of their oxygen self-diffusion and total conductivity.
Phase-pure nanocrystalline powders of doped apatite type lanthanumsilicate(ATLS) with and without dopants (Al, Fe,Mg) on the siliconsite La10 − ySi6 − x(Fe, Al,Mg)xO26 + z were successfully prepared andsintered into dense pellets withmicro-meter sized grains. The obtainedapatite type lanthanum silicate LSO (La9.33Si6O26) electrolyte and theAl-, Fe- and Mg-doped compositions LASO (La9.83Al1.5Si4.5O26), LFSO(La9.83Fe1.5Si4.5O26), and LMSO (La9.93Mg0.9Si5.1O26) have been investigatedin terms of their oxygen self-diffusion and total conductivity.
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