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[en] The 95Zr cation self-diffusivity in fully-dense, nanocrystalline cubic ZrO2.9.5 mol% Y2O3 (n-YSZ, mean grain size 50 nm) has been studied by tracer self-diffusion and precision-grinding sectioning. In the temperature range of 897 C to 937 C the 95Zr diffusion coefficient in grain boundaries was found to be about 7 orders of magnitude higher than in single crystals of similar composition. (copyright 2009 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)
Journal
Physica Status Solidi. A, Applications and Materials Science; ISSN 1862-6300; 
; v. 206(1); p. 54-58
; v. 206(1); p. 54-58