IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties

Y2O3 transparent ceramics with different amounts of ZrO2 were obtained by reactive vacuum sintering at a relatively low temperature of 1735 °C for 22 h. The influence of ZrO2 concentration within the 0–15 mol.% range on the microstructure, phase composition, microhardness, and optical properties of...

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Main Authors: Dariia Chernomorets, Pietro Galizia, Giacomo Zanetti, Stefano Varas, Alessandro Chiasera, Andreana Piancastelli, Roman Yavetskiy, Jan Hostaša
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:Open Ceramics
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666539524001305
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author Dariia Chernomorets
Pietro Galizia
Giacomo Zanetti
Stefano Varas
Alessandro Chiasera
Andreana Piancastelli
Roman Yavetskiy
Jan Hostaša
author_facet Dariia Chernomorets
Pietro Galizia
Giacomo Zanetti
Stefano Varas
Alessandro Chiasera
Andreana Piancastelli
Roman Yavetskiy
Jan Hostaša
author_sort Dariia Chernomorets
collection DOAJ
description Y2O3 transparent ceramics with different amounts of ZrO2 were obtained by reactive vacuum sintering at a relatively low temperature of 1735 °C for 22 h. The influence of ZrO2 concentration within the 0–15 mol.% range on the microstructure, phase composition, microhardness, and optical properties of ceramics in the visible and IR ranges was investigated. SEM and XRD results indicate the absence of secondary phases in the studied concentration range, indicating the formation of single-phase solid solutions. It was shown that doping by ZrO2 considerably decreases the average grain size of ceramics, while microhardness has the opposite behaviour. 15 mol.% ZrO2-doped Y2O3 ceramics demonstrated the highest transmittance in the visible wavelength range. On the other hand, 5 and 7 mol.% ZrO2-doped Y2O3 could be considered promising materials for the first atmospheric window (3–5 μm).
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publisher Elsevier
record_format Article
series Open Ceramics
spelling doaj-art-60f840c554f2425d891902fb35460fcf2025-08-20T02:31:02ZengElsevierOpen Ceramics2666-53952024-12-012010066610.1016/j.oceram.2024.100666IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical propertiesDariia Chernomorets0Pietro Galizia1Giacomo Zanetti2Stefano Varas3Alessandro Chiasera4Andreana Piancastelli5Roman Yavetskiy6Jan Hostaša7Institute for Single Crystals of NAS of Ukraine, 60 Nauky Ave., Kharkiv, 61072, Ukraine; CNR-ISSMC, 64 Via Granarolo, 48018, Faenza, RA, Italy; Corresponding author. Institute for Single Crystals of NAS of Ukraine, 60 Nauky Ave, Kharkiv, 61072, Ukraine.CNR-ISSMC, 64 Via Granarolo, 48018, Faenza, RA, ItalyCNR-IFN, CSMFO Lab. and FBK Photonics Unit, Via alla Cascata 56/C, 38123, Povo, TN, Italy; Department of Physics, University of Trento, Via Sommarive 14, 38123, Povo, TN, ItalyCNR-IFN, CSMFO Lab. and FBK Photonics Unit, Via alla Cascata 56/C, 38123, Povo, TN, ItalyCNR-IFN, CSMFO Lab. and FBK Photonics Unit, Via alla Cascata 56/C, 38123, Povo, TN, ItalyCNR-ISSMC, 64 Via Granarolo, 48018, Faenza, RA, ItalyInstitute for Single Crystals of NAS of Ukraine, 60 Nauky Ave., Kharkiv, 61072, UkraineCNR-ISSMC, 64 Via Granarolo, 48018, Faenza, RA, ItalyY2O3 transparent ceramics with different amounts of ZrO2 were obtained by reactive vacuum sintering at a relatively low temperature of 1735 °C for 22 h. The influence of ZrO2 concentration within the 0–15 mol.% range on the microstructure, phase composition, microhardness, and optical properties of ceramics in the visible and IR ranges was investigated. SEM and XRD results indicate the absence of secondary phases in the studied concentration range, indicating the formation of single-phase solid solutions. It was shown that doping by ZrO2 considerably decreases the average grain size of ceramics, while microhardness has the opposite behaviour. 15 mol.% ZrO2-doped Y2O3 ceramics demonstrated the highest transmittance in the visible wavelength range. On the other hand, 5 and 7 mol.% ZrO2-doped Y2O3 could be considered promising materials for the first atmospheric window (3–5 μm).http://www.sciencedirect.com/science/article/pii/S2666539524001305Vacuum sinteringOptical propertiesMechanical propertiesY2O3ZrO2
spellingShingle Dariia Chernomorets
Pietro Galizia
Giacomo Zanetti
Stefano Varas
Alessandro Chiasera
Andreana Piancastelli
Roman Yavetskiy
Jan Hostaša
IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
Open Ceramics
Vacuum sintering
Optical properties
Mechanical properties
Y2O3
ZrO2
title IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
title_full IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
title_fullStr IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
title_full_unstemmed IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
title_short IR-transparent Y2O3 ceramics: Effect of zirconia concentration on optical and mechanical properties
title_sort ir transparent y2o3 ceramics effect of zirconia concentration on optical and mechanical properties
topic Vacuum sintering
Optical properties
Mechanical properties
Y2O3
ZrO2
url http://www.sciencedirect.com/science/article/pii/S2666539524001305
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