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Acta Physica Sinica (Overseas Edition), 1996, Vol. 5(3): 225-230    DOI: 10.1088/1004-423X/5/3/010
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev  

PREPARATION OF a-AXIS ORIENTED YBa2Cu3Ox THIN FILMS

NIE JIA-CAI (聂家财), CHEN LIE (陈烈), YANG TAO (杨涛), GUO LI-PING (郭丽萍), WU PEI-JUN (吴培钧), LIU GUI-RONG (刘贵荣), LI LIN (李林), ZHAO ZHONG-XIAN (赵忠贤)
National Laboratory for Superconductivity, Institute of Physics, Academia Sinica, Beijing 100080, China
Abstract  The a-axis oriented YBa2Cu3Ox(YBCO) thin films could be grown on (100) SrTiO3(STO) substrates with STO buffer layers by dc and rf magnetron sputtering either by low-ering the deposition temperature, or by using a self-template technique. For the latter, the resistivity of the thin film at 290K along the substrate [001] direction is about four times larger than that in the [010] direction. The zero resistance temperatures Tc0 are 89 K in both directions. So high quality a-axis oriented YBCO thin films can be prepared by the self-template technique. Also the Tc0 increase monotonously with the reduction of the thickness of the YBCO seed layer.
Received:  27 April 1995      Accepted manuscript online: 
PACS:  74.78.Bz  
  74.72.Bk  
  68.55.A- (Nucleation and growth)  
  81.15.Cd (Deposition by sputtering)  
  74.25.Fy  
  68.37.Lp (Transmission electron microscopy (TEM))  
Fund: Project supported by the National Center for Research and Development for Superconductivity of China.

Cite this article: 

NIE JIA-CAI (聂家财), CHEN LIE (陈烈), YANG TAO (杨涛), GUO LI-PING (郭丽萍), WU PEI-JUN (吴培钧), LIU GUI-RONG (刘贵荣), LI LIN (李林), ZHAO ZHONG-XIAN (赵忠贤) PREPARATION OF a-AXIS ORIENTED YBa2Cu3Ox THIN FILMS 1996 Acta Physica Sinica (Overseas Edition) 5 225

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