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Evolution of the electron yield curves of insulators as a function of impinging electron fluence and energy
https://jaxa.repo.nii.ac.jp/records/6418
https://jaxa.repo.nii.ac.jp/records/641883aa438d-0625-4678-90d5-a3205c7f76e2
名前 / ファイル | ライセンス | アクション |
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49206103.pdf (6.4 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Evolution of the electron yield curves of insulators as a function of impinging electron fluence and energy | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 電子放出 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 絶縁体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 発光スペクトル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 宇宙機帯電 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 航空宇宙環境 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 電荷蓄積 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 誘電体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 表面電位 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 電荷分布 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electron emission | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | insulator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | emission spectrum | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | spacecraft charging | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerospace environment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | charge accumulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dielectric | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface potential | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | charge distribution | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
Dennison, J. R.
× Dennison, J. R.× Sim, Alec× Thomson, Clint |
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著者所属 | ||||||
Utah State University Physics Department | ||||||
著者所属 | ||||||
Utah State University Physics Department | ||||||
著者所属 | ||||||
ATK Thiokol | ||||||
著者所属(英) | ||||||
en | ||||||
Utah State University Physics Department | ||||||
著者所属(英) | ||||||
en | ||||||
Utah State University Physics Department | ||||||
著者所属(英) | ||||||
en | ||||||
ATK Thiokol | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication: 9th Spacecraft Charging Technology Conference 巻 JAXA-SP-05-001E, p. 914-932, 発行日 2005-08-01 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Electron emission and concomitant charge accumulation near the surface of insulators is central to understanding spacecraft charging. We present a study of changes in electron emission yields as a result of internal charge build up due to electron dose. Evolution of total, backscattered and secondary yield results over a broad range of incident energies are presented for two representative insulators, Kapton and Al2O3. Reliable yield curves for un-charged insulators are measured and quantifiable changes in yields are observed due to less than 100 fC/sq mm fluence. We find excellent agreement with a phenomenological argument based on insulator charging predicted by the yield curve; this includes a decrease in the rate of change of the yield as incident energies approach the crossover energies and as accumulated internal charge reduces the landing energy to asymptotically approach a steady state surface charge and unity yield. We also find that the exponential decay of yield curves with fluence exhibit an energy dependent decay constant, alpha(E). Finally, we discuss physics based models for this energy dependence. To understand fluence and energy dependence of these charging processes requires knowledge of how charge is deposited within the insulator, the mechanisms for charge trapping and transport within the insulator, and how the profile of trapped charge affects the transport and emission of charges from insulators. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0049206103 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-05-001E |