首页   按字顺浏览 期刊浏览 卷期浏览 Epitaxial HgBa2Ca2Cu3Oyfilms on SrTiO3substrates prepared by spray pyrolysis technique
Epitaxial HgBa2Ca2Cu3Oyfilms on SrTiO3substrates prepared by spray pyrolysis technique

 

作者: Y. Moriwaki,   T. Sugano,   C. Gasser,   A. Fukuoka,   K. Nakanishi,   S. Adachi,   K. Tanabe,  

 

期刊: Applied Physics Letters  (AIP Available online 1996)
卷期: Volume 69, issue 22  

页码: 3423-3425

 

ISSN:0003-6951

 

年代: 1996

 

DOI:10.1063/1.117280

 

出版商: AIP

 

数据来源: AIP

 

摘要:

HgBa2Ca2Cu3Oy(Hg‐1223) films with a thickness of 1–2 &mgr;m andTc(zero)∼130 K have been fabricated by utilizing a spray pyrolysis technique. X‐ray diffraction indicates that the films consist of predominantly Hg‐1223 phase grains withc‐axis orientation. Moreover, the oscillation photograph taken by a Weissenberg camera confirms that the film grains are in‐plane aligned and epitaxially grown on SrTiO3. In electrical transport measurements, the as‐fabricated film exhibits aTc(zero) of 123 K, and a zero‐fieldJcof 3.7×105A/cm2at 77 K. Additional post‐annealing at 320 °C for 50 h in flowing oxygen has improved the transport properties asTc(zero)∼130 K andJc∼4.4×105A/cm2(77 K, 0 T). ©1996 American Institute of Physics.

 

点击下载:  PDF (138KB)



返 回