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Phenomenological Description of Microwave Characteristics of Low-T_c Superconductor by Three-Fluid Model (Special Issue on Basic Properties and Applications of Superconductive Electron Devices)
https://sucra.repo.nii.ac.jp/records/12860
https://sucra.repo.nii.ac.jp/records/12860a15c33fa-07e9-4cde-972b-7b209c18a81a
名前 / ファイル | ライセンス | アクション |
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A1003038.pdf (409.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-10-04 | |||||
タイトル | ||||||
タイトル | Phenomenological Description of Microwave Characteristics of Low-T_c Superconductor by Three-Fluid Model (Special Issue on Basic Properties and Applications of Superconductive Electron Devices) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | low-T_c superconductors | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | microwave | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | surface impedance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | conductivity | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
小林, 禧夫
× 小林, 禧夫 |
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著者 ローマ字 | ||||||
KOBAYASHI, Yoshio | ||||||
著者 ローマ字 | ||||||
YOSHIKAWA, Hiromichi | ||||||
著者 ローマ字 | ||||||
ONO, Seiichiro | ||||||
著者 所属 | ||||||
埼玉大学 | ||||||
著者 所属 | ||||||
埼玉大学 | ||||||
著者 所属 | ||||||
埼玉大学 | ||||||
著者 所属(別言語) | ||||||
Saitama University | ||||||
著者 所属(別言語) | ||||||
Saitama University | ||||||
著者 所属(別言語) | ||||||
Saitama University | ||||||
書誌情報 |
IEICE transactions on electronics 巻 E80-C, 号 10, p. 1269-1274, 発行日 1997 |
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年月次 | ||||||
1997-10 | ||||||
出版者名 | ||||||
出版者 | 社団法人電子情報通信学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168516 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is shown that a three-fluid model, which was successfully introduced to explain microwave characteristics of high-T_c superconductors phenomenologically, is suit also to explain those of low-T_c superconductors. In this model, the two contributions of a residual normal electron, in addition to a super and a normal electron in the two-fluid model, and of the temperature (T) dependence of momentum relaxation time τ for the two normal electrons are taken into account. Measured results of the T dependence of surface resistance R_s for a Nb film with critical temperature T_c=9.2 K agree very well with an R_s curve calculated using the present model, where a residual surface resistance at T=0K, R_<so>, and the T dependence of τ were determined using the surface reactance at 0 K X_<so>=37.6 mΩ calculated using the BCS theory to fit, a calculated R_s curve with the measured values as a function of T. Furthermore, microwave characteristics predicted from the BCS theory cannot be explained phenomenologically using the conventional two-fluid model. This difficulty can be solved by using an improved two-fluid model, called the two-fluid (τ) model, where the T dependence of τ is taken into account. Finally the frequency dependence of R_s calculated for the Nb film is f^<1.9> for the BCS theory and f^<2.0> for the three-fluid (τ) model on the assumption of the frequency independence of τ. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | copyright(c)1997 IEICE 許諾番号:07RB0174 http://www.ieice.org/jpn/trans_online/index.html |
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資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2007-10-04 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1003038 |