NDLI: Transport current properties of Y-Ba-Cu-O tape above critical current region

Content Provider	IEEE Xplore Digital Library
Author	Torii, S. Akita, S. Iijima, Y. Takeda, K. Saitoh, T.
Copyright Year	2002
Abstract	YBCO tape is highly promising as a 2nd-stage HTS conductor for power applications, and development of long tape is proceeding worldwide. Generally, HTS tape conductors have broad transition characteristics ranging from the superconducting state to the normal state, so they rarely quench just above the critical current defined for a usual electrical field or resistivity. However, such characteristics make the stability criteria complex when these tapes are considered for power applications. To estimate the stability criteria of HTS tapes, we prepared YBCO tapes with YSZ textured buffers by the IBAD method. The thickness, width and length of the YBCO layer are 1 /spl mu/m, 10 mm and about 140 mm, respectively, and tapes are coated with Ag of various thicknesses as a stabilizer and protector. Transport current properties are measured in a wide range of current above the critical current defined by 1 /spl mu/V/cm. The establishment of criteria to define the stability of HTS tapes will be necessary for their applications in power apparatuses.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1844
Ending Page	1847
Page Count	4
File Size	474915
File Format	PDF
ISSN	10518223
Volume Number	11
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Yttrium barium copper oxide Critical current High temperature superconductors Conductors Stability criteria Superconducting films Critical current density Current measurement Magnetic properties Bismuth compounds
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Aspects of forming metal-clad melt-processed Y-Ba-Cu-O tapes

Preparation of Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O thin films

Critical current properties under high magnetic fields up to 30 T for Y-Ba-Cu-O films by MOCVD

Simulation of Inhomogeneous Superconducting Properties of YBCO HTS Tapes

Magnetic shielding by superconducting Y-Ba-Cu-O hollow cylinders

Highly sensitive magnetic sensor made with a superconducting Y-Ba-Cu-O thick film

Critical current hysteresis in low angle Y-Ba-Cu-O bicrystals

Fabrication of Ca-doped large grain Y-Ba-Cu-O superconductors

Fabrication and microwave properties of Y-Ba-Cu-O and Bi-Ca-Sr-Cu-O thin films

Transport current properties of Y-Ba-Cu-O tape above critical current region

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Aspects of forming metal-clad melt-processed Y-Ba-Cu-O tapes

Preparation of Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O thin films

Critical current properties under high magnetic fields up to 30 T for Y-Ba-Cu-O films by MOCVD

Simulation of Inhomogeneous Superconducting Properties of YBCO HTS Tapes

Magnetic shielding by superconducting Y-Ba-Cu-O hollow cylinders

Highly sensitive magnetic sensor made with a superconducting Y-Ba-Cu-O thick film

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Fabrication of Ca-doped large grain Y-Ba-Cu-O superconductors

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Transport current properties of Y-Ba-Cu-O tape above critical current region