Pulsed Laser Deposition法で作成したREBa<sub>2</sub>Cu<sub>3</sub>O<sub><i>y</i></sub>薄膜の配向性と超伝導特性 (RE = Nd, Sm, Gd, Y and Yb)
書誌事項
- タイトル別名
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- Orientation and Superconducting Properties of REBa<sub>2</sub>Cu<sub>3</sub>O<sub><i>y</i></sub> Thin Films Prepared by the Pulsed Laser Deposition Method
- Pulsed Laser Deposition法で作成したREBa2Cu3Oy薄膜の配向性と超伝導特性(RE=Nd,Sm,Gd,Y and Yb)
- Pulsed Laser Depositionホウ デ サクセイ シタ REBa2Cu3Oy ハクマク ノ ハイコウセイ ト チョウデンドウ トクセイ RE Nd Sm Gd Y and Yb
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Controlling the axis orientation in REBa2Cu3Oy (RE123; RE meaning Nd, Sm, Gd, Y and Yb) thin films is an important problem for many superconducting applications since RE123 materials have anisotropic properties (e.g., irreversible field, critical current density and so on) along their crystallographic axes. To obtain the RE123 thin films with excellent superconducting properties, we systematically studied the orientation, mechanism of orientation control and superconducting properties in RE123 thin films. We found that the preferred orientation of RE123 thin film on MgO and SrTiO3 is c-axis orientation. RE123 thin films with RE/Ba substitution (RE=Sm, Gd) showed that the substrate temperature corresponding to the boundary line between the c-axis and a, c-axis mixed orientation decreased as RE/Ba substitution increased. These facts imply that the orientations of RE123 thin film are principally determined by their peritectic temperatures. The highest critical current densities of RE123 thin films so far are 7.93 MA/cm2 for Sm123, 3.03 MA/cm2 for Gd123 and 1.85 MA/cm2 for Yb/Nd123.
収録刊行物
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- 低温工学
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低温工学 38 (12), 672-679, 2003
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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詳細情報 詳細情報について
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- CRID
- 1390001204615268608
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- NII論文ID
- 10012477654
- 30017305367
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- NII書誌ID
- AN00333419
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- COI
- 1:CAS:528:DC%2BD2cXhtVSjsbg%3D
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- ISSN
- 18800408
- 03892441
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- NDL書誌ID
- 6814601
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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
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