DocumentCode :
917774
Title :
Fabrication of Multilayered 
Thin Films and Their Flux Pinning Properties
Author :
Tsukano, Yutaka ; Doi, Toshiya ; Yamashita, Hiroki ; Tanaka, Akira ; Iwasaki, Ikumi ; Hakuraku, Yoshinori ; Kitaguchi, Hitoshi ; Takahashi, Ken-Ichiro ; Sosiati, Harini ; Hata, Satoshi ; Ikeda, Ken-ichi ; Nakashima, Hideharu
Author_Institution :
Fac. of Eng., Kagoshima Univ., Kagoshima, Japan
Volume :
19
Issue :
3
fYear :
2009
fDate :
6/1/2009 12:00:00 AM
Firstpage :
2807
Lastpage :
2810
Abstract :
We prepared the multilayered MgB2/Ni thin films with the Ni layer spacings of 32, 23 and 16 nm. The MgB2/Ni multilayer nanostructure was confirmed to be obtained from the scanning transmission electron microscope observation. The clear enhancement of J c was observed in the multilayered MgB2/Ni thin film when the magnetic field was applied parallel to the film surface. Moreover, the peak position of F p - B curves shifted to higher magnetic field with decreasing the Ni layer spacing.
Keywords :
critical current density (superconductivity); flux pinning; magnesium compounds; multilayers; nanostructured materials; nickel; scanning electron microscopy; superconducting materials; superconducting thin films; transmission electron microscopy; MgB2-Ni; critical current density; flux pinning properties; higher magnetic field; multilayer nanostructure; multilayered thin films; scanning transmission electron microscope; size 16 nm; size 23 nm; size 32 nm; ${rm MgB}_{2}$ ; Artificial pinning; electron beam evaporation; superconductors; thin films;
fLanguage :
English
Journal_Title :
Applied Superconductivity, IEEE Transactions on
Publisher :
ieee
ISSN :
1051-8223
Type :
jour
DOI :
10.1109/TASC.2009.2018527
Filename :
4982612
Link To Document :
