Fabrication of cobalt-doped SrFe2As2 superconducting thin films

Title
Fabrication of cobalt-doped SrFe2As2 superconducting thin films
Author(s)
김동호강원남[강원남]권용성[권용성]정순길[정순길]이남훈[이남훈]최은미[최은미]정명화[정명화]이성익[이성익]리링선[리링선]
Issue Date
201012
Publisher
ELSEVIER SCIENCE BV
Citation
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, v.470, pp.S511 - S512
Abstract
We have fabricated Co-doped bilayered SrFe2As2 thin films on Al2O3 (0001) and LaAlO3 (001) substrates by using a pulsed laser deposition (PLD) technique with a 248-nm-wavelength KrF excimer laser. In order to fabricate Co-doped SrFe2As2 thin films, we used homemade target with an As-rich phase. We tried to find optimum growth condition by changing various experimental conditions, such as substrate temperature and laser energy density. The superconducting transition temperatures were influenced by growth temperature, but hardly affected by laser energy density. The best sample showed the T-c, of 20 K with a narrow superconducting transition width of 2.2 K. (C) 2009 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/23272http://dx.doi.org/10.1016/j.physc.2009.11.022
ISSN
0921-4534
Appears in Collections:
이과대학 > 물리학과 > Articles
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