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Materials 2017, 10(12), 1440; doi:10.3390/ma10121440

Internal Nano Voids in Yttria-Stabilised Zirconia (YSZ) Powder

1
The Unit of Energy Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
2
Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
3
NRCN, P.O. Box 9001, Beer-Sheva 84190, Israel
4
Institutes for Applied Research, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
*
Author to whom correspondence should be addressed.
Received: 1 December 2017 / Revised: 15 December 2017 / Accepted: 15 December 2017 / Published: 18 December 2017
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Abstract

Porous yttria-stabilised zirconia ceramics have been gaining popularity throughout the years in various fields, such as energy, environment, medicine, etc. Although yttria-stabilised zirconia is a well-studied material, voided yttria-stabilised zirconia powder particles have not been demonstrated yet, and might play an important role in future technology developments. A sol-gel synthesis accompanied by a freeze-drying process is currently being proposed as a method of obtaining sponge-like nano morphology of embedded faceted voids inside yttria-stabilised zirconia particles. The results rely on a freeze-drying stage as an effective and simple method for generating nano-voided yttria-stabilised zirconia particles without the use of template-assisted additives. View Full-Text
Keywords: 7–8 mol % YSZ; sol-gel; freeze-dry; XRD Rietveld refinement; internal nano-voids 7–8 mol % YSZ; sol-gel; freeze-dry; XRD Rietveld refinement; internal nano-voids
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MDPI and ACS Style

Barad, C.; Shekel, G.; Shandalov, M.; Hayun, H.; Kimmel, G.; Shamir, D.; Gelbstein, Y. Internal Nano Voids in Yttria-Stabilised Zirconia (YSZ) Powder. Materials 2017, 10, 1440.

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