High-quality YBCO thin films grown by off-axis PLD geometry

被引：7
|
作者：
Boffa, V
Petrisor, T
Gambardella, U
Ciontea, L
Bruzzese, R
Fabbri, F
Barbanera, S
机构：
[1] CNR,IESS,I-00156 ROME,ITALY
[2] TECH UNIV,CLUJ NAPOCA,ROMANIA
[3] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期
关键词：
D O I：
10.1109/77.620711
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：
In order to improve the surface quality of the pulsed laser deposited YBCO thin films an off-axis deposition geometry is proposed. Using this new PLD geometry, YBCO thin films have been grown on SrTiO3 substrates. These films were found to have a good surface morphology without droplets or other particulates, and good superconducting and structural properties. We have obtained Tc(R=0)=89 K, R(300)/R(100)=2.6, Delta T=1.5 K, Jc=2x10(6) A/cm(2) (at 77 K and zero magnetic field), and the FWHM of the rocking curve of (005) YBCO peak is about 0.12 degrees. A study regarding the influence of the deposition parameters on the film quality is also presented.
引用
收藏
页码：1189 / 1192
页数：4
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