TY - JOUR
T1 - Imaging of trapped vortices in YBCO coated conductor by scanning SQUID microscope
AU - Inoue, Masayoshi
AU - Kiss, T.
AU - Koyanagi, S.
AU - Imamura, K.
AU - Takeo, M.
AU - Iijima, Y.
AU - Kakimoto, K.
AU - Saitoh, T.
AU - Matsuda, J.
AU - Tokunaga, Y.
AU - Izumi, T.
AU - Shiohara, Y.
N1 - Funding Information:
This work was partly supported by (1) the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental Technologies for Superconductivity Applications, and (2) the Ministry of Economy, Trade and Industry (METI) through ISTEC as the US–Japan Joint Study of AC Losses in High Temperature Superconductivity.
PY - 2005
Y1 - 2005
N2 - We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.
AB - We investigated trapped vortices in Y1Ba2Cu 3O7-δ (YBCO) coated conductor by using a scanning SQUID microscope (SSM). Several peculiar properties of the vortices were observed such as a large bundle of vortices at a certain position and a coexistence of positive- and negative-sign vortices. Comparing the SSM images with that of low temperature scanning laser microscopy (LTSLM) and SEM, we identified the relationship between local dissipation and position of current blocking defect. Furthermore, regular vortex images were also observed by the SSM in the region where higher Jc has been identified by the LTSLM.
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U2 - 10.1016/j.physc.2005.03.063
DO - 10.1016/j.physc.2005.03.063
M3 - Conference article
AN - SCOPUS:25644441667
SN - 0921-4534
VL - 426-431
SP - 1068
EP - 1072
JO - Physica C: Superconductivity and its applications
JF - Physica C: Superconductivity and its applications
IS - II
T2 - Proceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity
Y2 - 23 November 2004 through 25 November 2004
ER -