A robust approach for highly transparent Y2O3 ceramics by stabilizing oxygen defects

Highly transparent Y2O3 ceramics were fabricated suppressing the formation of oxygen vacancies during vacuum sintering for the first time. Oxygen stabilization in transparent Y2O3 ceramics was successfully enabled by additional ZrO2 oxygen source considering thermodynamics. The oxygen-stabilized ceramics approached nearly theoretical transmittance without further post-annealing and hot isostatic presssing. This new approach is potentially applicable for the fabrication of other transparent ceramics. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2017-08
Language
English
Keywords

PLASMA-SINTERING SPS; HOT-PRESSING METHOD; OPTICAL-PROPERTIES; YTTRIA CERAMICS; LASER MATERIALS; MGAL2O4; MICROSTRUCTURE; DISCOLORATION; SCINTILLATOR; ALUMINA

Citation

SCRIPTA MATERIALIA, v.137, pp.1 - 4

ISSN
1359-6462
DOI
10.1016/j.scriptamat.2017.04.036
URI
http://hdl.handle.net/10203/225074
Appears in Collection
MS-Journal Papers(저널논문)
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