γ線照射によるガラス中の電荷蓄積についての考察
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- Material Type
- 記事
- Author/Editor
- 川本 貴道川西 政治
- Periodical title
- 窯業協会誌
- No. or year of volume/issue
- 95(3) 1987.03
- Volume
- 95
- Issue
- 3
- Pages
- p330～335
- Publication date of volume/issue (W3CDTF)
- 1987-03
- ISSN (Periodical Title)
- 0009-0255
- ISSN-L (Periodical Title)
- 0009-0255
- Publication (Periodical Title)
- 東京 : 窯業協会
- Place of Publication (Country Code)
- JP
- Text Language Code
- jpn
- NDLC
- Target Audience
- 一般
- Article Type
- 記事分類: 化学・化学工業--無機化学・無機化学工業--非金属元素・非金属化合物--セラミックス--ガラス
- Holding library
- 国立国会図書館
- Call No.
- Z17-249
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 3119185
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- The authors reported the thermally stimulated current (TSC) and thermo luminescence (TL) of γ-irradiated radiation shielding glass in I. C. G., 1966. The present paper is concerned with the details of the report. From the data, it has been clarified that the thermal functions of negative and positive charges which are produced in the surface region by γ-irradiation are as follows.<br>(1) When the glass surface is irradiated by X- or γ-ray from one direction, the surface is positively charged because electrons produced by photon-electric or Compton effect have a momentum to the inner part of glass.<br>(2) Therefore, it is considered that thin electric double layer is produced in the surface layer of which field strength depends on the γ-ray dose, initial photon energy and on the electrical property of the glass.<br>(3) By heating the irradiated glass, the trapped electrons released in the vicinity of the electric double layer drift forward to the positively charged surface, because TSC is observed at lower temperature than temperature of positive ion conductivity. According to the content of luminescent impurity atoms, TL is also observed. The mechanism of electric breakdown of shielding glass is clarified when it is exposed by γ-ray for a long time. The above considerations, showed that thermal annealing is an important process to prevent the accumulation of electric charges in the glass.
- DOI
- 10.2109/jcersj1950.95.1099_330
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- The authors reported the thermally stimulated current (TSC) and thermo luminescence (TL) of γ-irradiated radiation shielding glass in I. C. G., 1966. The present paper is concerned with the details of the report. From the data, it has been clarified that the thermal functions of negative and positive charges which are produced in the surface region by γ-irradiation are as follows.<br>(1) When the glass surface is irradiated by X- or γ-ray from one direction, the surface is positively charged because electrons produced by photon-electric or Compton effect have a momentum to the inner part of glass.<br>(2) Therefore, it is considered that thin electric double layer is produced in the surface layer of which field strength depends on the γ-ray dose, initial photon energy and on the electrical property of the glass.<br>(3) By heating the irradiated glass, the trapped electrons released in the vicinity of the electric double layer drift forward to the positively charged surface, because TSC is observed at lower temperature than temperature of positive ion conductivity. According to the content of luminescent impurity atoms, TL is also observed. The mechanism of electric breakdown of shielding glass is clarified when it is exposed by γ-ray for a long time. The above considerations, showed that thermal annealing is an important process to prevent the accumulation of electric charges in the glass.
- DOI
- 10.2109/jcersj1950.95.1099_330
- Access Restrictions
- インターネット公開
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベースCrossrefCiNii Articles
- Bibliographic ID (NDL)
- 3119185
- NAID
- 110002313600