Magnetism and structure of YBaCuO superconducting films deposited in unusual geometries using Nd:YAG laser

Author

Koga, Takaaki ; Moon, Byung-Moo ; Zakharchenko, Igor ; Rao, K.V. ; Medelius, Hannes

Author_Institution

R. Inst. of Technol., Stockholm, Sweden

Volume

29

Issue

6

fYear

1993

fDate

11/1/1993 12:00:00 AM

Firstpage

3601

Lastpage

3603

Abstract

High quality YBa₂Cu₃O_7-δ thin films have been fabricated by pulsed Nd:YAG laser deposition using an unusual off-axis target-substrate geometry. In this geometry, one can eliminate the deposition of laser droplets. The films are free of particles and have smooth surfaces. The critical temperature (T _c) of these films is in the range of 87-90 K, which is as high as that of on-axis deposited films. From the X-ray rocking curve measurement and the magnetization measurement, no significant differences were found between the on-axis and off-axis laser deposited films

Keywords

X-ray diffraction examination of materials; barium compounds; high-temperature superconductors; magnetisation; superconducting thin films; superconducting transition temperature; surface topography; yttrium compounds; 87 to 90 K; X-ray rocking curve; YBaCuO; critical temperature; high quality thin films; laser droplets; magnetism; magnetization; off-axis target-substrate geometry; on-axis deposited films; pulsed Nd:YAG laser deposition; smooth surfaces; structure; superconducting films; Geometrical optics; Optical pulses; Pulsed laser deposition; Sputtering; Superconducting films; Superconducting magnets; Superconducting thin films; Temperature distribution; X-ray lasers; Yttrium barium copper oxide;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.281243

Filename

281243