Polycrystalline MgB2 films on flexible YSZ substrates grown by hybrid physical-chemical vapor deposition

被引：6
|
作者：
Pogrebnyakov, A. V.
Maertz, E.
Wilke, R. H. T.
Li, Qi
Soukiassian, A.
Schlom, D. G.
Redwing, J. M.
Findikoglu, A.
Xi, X. X.
机构：
[1] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[2] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2007年 / 17卷 / 02期
关键词：
flexible YSZ substrates; hybrid physical-chemical-vapor deposition; magnesium diboride; polycrystalline films;
D O I：
10.1109/TASC.2007.897981
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report properties of polycrystalline MgB2 films deposited on thin flexible yttium-stabilized zirconia (YSZ) substrates by hybrid physical-chemical vapor deposition. The MgB2 films show a transition temperature of 38.9 K with a narrow superconducting transition (0.1 K). The self-field critical current density in the films reaches 10(7) A/cm(2) at low temperatures. These properties do not change after repeated bending over a radius of 10 mm. Low microwave surface resistance comparable to those obtained in epitaxial MgB2 films on single-crystalline sapphire substrate was observed. The result shows promise of polycrystalline MgB2 films for applications in superconducting digital circuits as well as in coated conductor wires.
引用
收藏
页码：2854 / 2857
页数：4
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