Fabrication and Microstructual Characteristics of Germanium Spherical Semiconductor Particles by Pulsed Orifice Ejection Method
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- Masuda Satoshi
- Graduate School of Engineering, Tohoku University
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- Takagi Kenta
- Micro Powder Research Institute Sendai Labo & Research Center
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- Kang Yang-Sheng
- Department of Materials Processing, School of Engineering, Tohoku University
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- Kawasaki Akira
- Department of Materials Processing, School of Engineering, Tohoku University
Bibliographic Information
- Other Title
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- パルス圧力付加オリフィス噴射法によるゲルマニウム半導体球形粒子の作製と組織評価
- パルス アツリョク フカ オリフィス フンシャホウ ニ ヨル ゲルマニウム ハンドウタイ キュウケイ リュウシ ノ サクセイ ト ソシキ ヒョウカ
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Abstract
Germanium spherical particles were prepared by pulsed orifice ejection method. The apparatus was divised for ejecting molten droplet from a small orifice by a reciprocating action of a rod given by piezoelectric actuator. Germanium particles with diameter of several hundreds micrometer could be formed by optimizing process parameters of feeder cross-section area, rod position, supplied pressure and rod displacement. The obtained particles were polycrystal and had microstructure derived either from dendritic growth at a high undercooling or lateral growth at a low undercooling. The latter particles exhibited smaller number of grains than the former ones, and these grain boundaries were twin planes. Finally, solidification mechanisms for the particles were estimated.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 51 (9), 646-654, 2004
Japan Society of Powder and Powder Metallurgy
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Details 詳細情報について
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- CRID
- 1390001206307348352
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- NII Article ID
- 10013560340
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- NII Book ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BD2cXovVOhur8%3D
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- ISSN
- 18809014
- 05328799
- http://id.crossref.org/issn/05328799
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- NDL BIB ID
- 7110062
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed