書誌事項
- タイトル別名
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- Preparation and Its Properties of Alkali Halide Solid-Solution Single Crystals by Bridgman Method
- ブリッジマンホウ ニヨル ハロゲンカ アルカリ コヨウタイ タンケッショウ ノ
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説明
End member and solid-solution single crystals of alkali halides were prepared by Bridgman method, using sodium chloride (NaCl), potassium chloride (KCl), sodium bromide (NaBr) and potassium bromide (KBr). Transparent and crack-free specimen was obtained in each end member single crystal. As a result of X-ray diffraction experiment in solid-solution single crystals, it was found that maximum content is 20 to 25mass%. Lattice parameter in each solid-solution single crystal was satisfied with Vegard's law. The solid-solution single crystals without cracks also were obtained in wider solid-solution region in anion (Cl- or Br-)-replacement type than in cation (Na+ or K+)-replacement type. This result in cation-replacement appears to be attributed to difference between two cationic radii. Single crystal in KBr-KCl system indicated increment of Vickers hardness with adding the alkali halide. On the other hand, in NaBr-NaCl system, adding NaBr to NaCl caused solid-solution hardening, while adding NaCl to NaBr caused solid-solution softening. Curves of density and refractive index versus the content had a downward convex shape. This result corresponds to Lorentz-Lorenz relationships, which connects density with refractive index.
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 103 (1200), 828-832, 1995
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390001205276653696
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- NII論文ID
- 110002291210
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 3623516
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- データソース種別
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- JaLC
- NDL
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