WEKO3
アイテム
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透光性ナノ構造γ-Al2O3の光学特性及び粒径依存性
http://hdl.handle.net/10191/30431
http://hdl.handle.net/10191/304319d27767d-649c-4ce8-830f-723c480b09a9
名前 / ファイル | ライセンス | アクション |
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110_8_761-765.pdf (2.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-11-18 | |||||
タイトル | ||||||
タイトル | 透光性ナノ構造γ-Al2O3の光学特性及び粒径依存性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | 透光性ナノ構造γ-Al2O3の光学特性及び粒径依存性 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nano-structure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Rayleigh scattering | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Alumina | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CVD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nano-particle | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Translucent ceramics | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
その他のタイトル | ||||||
その他のタイトル | Optical Properties and Dependence of Optical Transmittance on the Particle Sizes of Nano-Structured Translucent γ-Al2O3 Ceramics | |||||
著者 |
野田, 弘之
× 野田, 弘之× 金, 煕濬 |
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著者別名 | ||||||
識別子 | 43903 | |||||
識別子Scheme | WEKO | |||||
姓名 | Noda, Hiroyuki | |||||
著者別名 | ||||||
識別子 | 43904 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kim, Hee Joon | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Nano-size γ-Al2O3 particles of four different sizes were synthesized by MOCVD (Metal Organic Chemical Vapor Deposition) method and then translucent nano-structured γ-Al2O3 ceramics are pelletized under a pressure of 2.5 GPa by a uniaxial compaction-method. Although these nano-structured γ-Al2O3 ceramics showed low density, they were fairly translucent. The relationship between transmittance and thickness of these specimens can be described by lambert-Beer's law. The nano-structured γ-Al2O3 ceramics with different particle diameter and thickness have been prepared in order to clarify the dependence of particle size on the optical transmittance. The optical transmittance decreased with increasing initial particle diameter. In the case of 0.20 mm thickness samples, the γ-Al2O3 with 5.6 nm initial particle diameter showed an optical transmittance of about 60%. However, the optical transmittance decreases less than 5% when initial particle diameter is increased to 34.4 nm. This phenomenon could be explained by Rayleigh scattering, which is the scattering due to the particle diameter being much smaller than the wavelength of light. In these visible regions(500-800 nm), a scattering coefficient related with Rayleigh scattering was inversely related to the fourth power of the wavelength and directly proportional to the square of the grain size. | |||||
書誌情報 |
日本セラミックス協会学術論文誌 en : 日本セラミックス協会学術論文誌 巻 110, 号 8, p. 761-765, 発行日 2002-08 |
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出版者 | ||||||
出版者 | 日本セラミックス協会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09145400 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10040326 | |||||
権利 | ||||||
権利情報 | Copyright(C)2002 日本セラミックス協会 | |||||
著者版フラグ | ||||||
値 | publisher |