書誌事項
- タイトル別名
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- Synthesis of quartz from high purity silicon dioxide and doping of various impurities
- コウジュンド 2サンカ ケイソ シヤク オ モチイタ セキエイ ノ ゴウセイ ト フジュンブツ ドープ ジッケン
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Several quartz samples containing one or two impurities were synthesized under the ambient pressure and the hydrothermal conditions by using the starting materials prepared from high purity silicon dioxide and silicon tetraethoxide. Phase transition from cristobalite to quartz occurred in the cases of coexistence of Li ion with the concentration of which are above 600 ppm under the ambient and above 50 ppm under the 100 MPa pressure. Although impurity elements usually detected in natural quartz can be doped into in the lattice in a couple with Li, cations with larger ionic radius such as Ca and K ions did not enter at ambient pressure. Under the hydrothermal condition, almost cations can be doped into the lattice as a single dopant. Such incorporated impurities to synthetic quartz were confirmed by ESR, X-ray diffraction measurement and thermal neutron irradiation. Unit cell volume of the doped quartz shows unique variation with the ionic radius of impurity ions. Lattice strain estimated from X-ray diffraction peak profiles around 90 Bragg angle (2θ) was very sensitive to the content of dopant. ESR signals showed that there exist trace Al, Na and Li in synthetic quartz made of 99.999% reagent.
収録刊行物
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- 岩石鉱物科学
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岩石鉱物科学 32 (5), 226-235, 2003
一般社団法人 日本鉱物科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206524773632
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- NII論文ID
- 10012488244
- 10012488219
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- NII書誌ID
- AA1146088X
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- COI
- 1:CAS:528:DC%2BD2cXisFKls7c%3D
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- ISSN
- 13497979
- 1345630X
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- NDL書誌ID
- 6858669
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
