Ellipsometric investigation of β-Si₃N₄ ceramics with Mo and Al additives
Ceramic Si₃N₄ samples with Мо and AI admixtures have been investigated by spectroellipsometry. The influence of admixtures on the ceramics optical properties have been studied. The local defects of Si₃N₄ crystal structure are responsible for the band gap reduction. The silicone oxynitride amount in...
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| Datum: | 2005 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
НТК «Інститут монокристалів» НАН України
2005
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| Schriftenreihe: | Functional Materials |
| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/137699 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Ellipsometric investigation of β-Si₃N₄ ceramics with Mo and Al additives / V.M. Prokopets', I.A. Shaykevich, L.Y. Robur // Functional Materials. — 2005. — Т. 12, № 2. — С. 371-374. — Бібліогр.: 18 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | Ceramic Si₃N₄ samples with Мо and AI admixtures have been investigated by spectroellipsometry. The influence of admixtures on the ceramics optical properties have been studied. The local defects of Si₃N₄ crystal structure are responsible for the band gap reduction. The silicone oxynitride amount in the studied samples has been estimated numerically by Bruggeman effective medium approximation. |
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