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Polycrystalline (Y0.7Gd0.3)(2)O-3:Eu3+ ceramics fabricated by Spark Plasma Sintering: Densification and microstructure development
dc.creator | Krsmanović, Radenka | |
dc.creator | Antić, Željka | |
dc.creator | Milićević, Bojana R. | |
dc.creator | Pošarac-Marković, Milica B. | |
dc.creator | Janaćković, Đorđe | |
dc.creator | Dramićanin, Miroslav | |
dc.creator | Brik, Mikhail G. | |
dc.creator | Steins, Ints | |
dc.creator | Veljović, Đorđe | |
dc.date.accessioned | 2021-03-10T12:36:35Z | |
dc.date.available | 2021-03-10T12:36:35Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0272-8842 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2857 | |
dc.description.abstract | Using Spark Plasma Sintering it is possible to produce polycrystalline ceramics of very fine microstructure and good mechanical properties. This work presents the fabrication of such ceramics using Eu3+-doped (Y0.7Gd0.3)(2)O-3 nanopowder as a starting material. We monitored the changes in the morphology of ceramic samples and their consolidation with additional thermal treatments at 650 degrees C and 1100 degrees C. The ceramics grain size remained in the sub-micron domain, even when elevated temperatures were used for annealing. The best results were obtained for the sample sintered at 1100 degrees C for 20 min, which had the smallest grain size, theoretical density, and the most intensive photoluminescence, along with the maximum hardness and appropriate fracture toughness. The Judd-Ofelt intensity parameters and branching ratios were calculated, taking into account the difference in the effective refractive index for the nanopowder and ceramic samples. | en |
dc.publisher | Elsevier Sci Ltd, Oxford | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45020/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172056/RS// | |
dc.rights | restrictedAccess | |
dc.source | Ceramics International | |
dc.subject | Grain growth | en |
dc.subject | Electron microscopy | en |
dc.subject | Optical properties | en |
dc.subject | Y2O3 | en |
dc.subject | Spark Plasma Sintering | en |
dc.title | Polycrystalline (Y0.7Gd0.3)(2)O-3:Eu3+ ceramics fabricated by Spark Plasma Sintering: Densification and microstructure development | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 8862 | |
dc.citation.issue | 6 | |
dc.citation.other | 40(6): 8853-8862 | |
dc.citation.rank | M21 | |
dc.citation.spage | 8853 | |
dc.citation.volume | 40 | |
dc.identifier.doi | 10.1016/j.ceramint.2014.01.108 | |
dc.identifier.scopus | 2-s2.0-84897370776 | |
dc.identifier.wos | 000335201800150 | |
dc.type.version | publishedVersion |