ZnOバッファー層上へのMgB<sub>2</sub>薄膜の作製

書誌事項

タイトル別名
  • The Preparation of MgB<sub>2</sub> Films on ZnO Buffer Layers
  • ZnOバッファー層上へのMgB2薄膜の作製
  • ZnO バッファーソウ ジョウ エ ノ MgB2 ハクマク ノ サクセイ

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抄録

In this study, we tried to deposit ZnO films on Al2O3 (0001) and (112(-)0) substrates as buffer layers. ZnO and as-grown MgB2 films were deposited using molecular beam epitaxy (MBE). The crystallinity and superconductivity of the MgB2/ZnO film were studied using in-situ RHEED, XRD, resistance and a SQUID magnetometer. The ZnO layer was grown epitaxially on both of the substrates. From XRD θ-2θ scans, MgB2 films were observed only at MgB2-0001 and -0002 peaks and the Tc of these films was about 35 K. We discuss the effect of ZnO buffer layers for fabricating high-quality as-grown MgB2 films.

収録刊行物

  • 低温工学

    低温工学 41 (11), 474-480, 2006

    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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