Journal article
Residual porosity and optical properties of spark plasma sintered transparent polycrystalline cerium-doped YAG
Journal of the European Ceramic Society, v 39(4), pp 1436-1442
01 Apr 2019
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Abstract
Transparent cerium-doped yttrium aluminum garnet (Ce:YAG) phosphors are promising candidates for high-power white light emitting diode applications. In the present study, Ce:YAG powder was synthesized by a co-precipitation method and highly transparent ceramics were fabricated by spark plasma sintering. The effects of temperature and pressure, as well as post-sintering treatments (annealing or hot isostatic pressing), on residual porosity were studied by electron and confocal laser microscopy. Correlation between residual porosity characteristics (pore size and volume fraction) and optical properties (in-line transmittance and photoluminescence intensity) of the luminescent transparent ceramics was established.
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Details
- Title
- Residual porosity and optical properties of spark plasma sintered transparent polycrystalline cerium-doped YAG
- Creators
- Avital Wagner - Ben-Gurion University of the NegevBarak Ratzker - Ben-Gurion University of the NegevSergey Kalabukhov - Ben-Gurion University of the NegevMaxim Sokol - Ben-Gurion University of the NegevNachum Frage - Ben-Gurion University of the Negev
- Publication Details
- Journal of the European Ceramic Society, v 39(4), pp 1436-1442
- Publisher
- Elsevier
- Number of pages
- 7
- Grant note
- 440243997/634 / Israel Ministry of Defense
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000457819600093
- Scopus ID
- 2-s2.0-85056222690
- Other Identifier
- 991019168258704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Ceramics