Tailoring in-plane crystallographic orientation of epitaxial YBa2Cu3O7 − x thin films having perpendicular c-axis texture |
| |
| Authors: | Lei ZhengXiaodong Su Jun FanYajie Chen Xiaoluan YangLixing You Vincent G Harris |
| |
| Affiliation: | a Jiangsu Key Laboratory of Thin Films, Department of Physics, Soochow University, Suzhou 215006, P. R. Chinab Department of Electrical and Computer Engineering, and the Center for Microwave Magnetic Materials and Integrated Circuits, Northeastern University, Boston, MA 02115, USAc State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, P. R. China |
| |
| Abstract: | Control of the in-plane crystallographic orientation of YBa2Cu3O7 − x (YBCO) films on (100) MgO substrates is of significant application value due to the selective enhancement of superconducting properties. In the present work, the preparation, crystallographic and superconducting properties of YBCO films deposited on MgO substrates are reported. Crystallographic in-plane orientation was realized by means of tailoring the pulsed laser deposition conditions and the use of interfacial buffering structures. Superconductiong properties were measured for films having different in-plane orienations. The results indicate that the 0° in-plane oriented films showed the highest current density of 1.62 MA/cm2 that was attributed to the elimination of high-angle grain boudaries. Additionally, the growth mechanism of YBCO films was discussed in terms of crystallographic and thermodynamic theory. |
| |
| Keywords: | YBCO film In-plane orientation Pulsed laser deposition Pole figure Epitaxial growth |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
