Development of High Ic and Long GdBCO Coated Conductors using IBAD/MPMT-PLD Method

• IBI Akira

  SRL-ISTEC Nagoya Coated Conductor Center

• MIYATA Seiki

  SRL-ISTEC Nagoya Coated Conductor Center

• YAMADA Yutaka

  SRL-ISTEC Nagoya Coated Conductor Center

• SHIOHARA Yuh

  SRL-ISTEC Division of Superconducting Tapes & Wires

Bibliographic Information

Other Title

• ＩＢＡＤ／ＭＰＭＴ‐ＰＬＤ法による高Ｉｃ長尺ＧｄＢＣＯ線材の開発
• IBAD/MPMT-PLD法による高Ic長尺GdBCO線材の開発
• IBAD MPMT PLDホウ ニ ヨル コウIc チョウシャク GdBCO センザイ ノ カイハツ

Abstract

We have developed high critical current, I_c, and long GdBa₂Cu₃O_7-X (GdBCO) coated conductors using ion-beam assisted deposition (IBAD) / multi-plume and multi-turn pulsed laser deposition (MPMT-PLD) method. We have successfully fabricated 32 and 60.7 m long GdBCO coated conductors with high I_c of 205 and 183 A at 77 K and 0 T, respectively. Moreover, the I_c of the 32 m long GdBCO coated conductor exceeded 20 A at all angles for the applied magnetic field of 3 T. This I_c value at 3 T was 2.5 times higher than that of the 200 A class YBa₂Cu₃O_7-X(YBCO) coated conductor. The production rate of the GdBCO layer was 7.5 to 10 m/h, which is about 2.6 times faster than that for a YBCO layer using the MPMT-PLD method and 10 times faster than that for a YBCO layer using the conventional PLD, single-plume and single-turn PLD, method. In addition, the material yield of the GdBCO layers using the MPMT-PLD method was about 26 to 28%. The GdBCO coated conductors with a high I_c in the magnetic field at 77 K, and capable of being produced quickly and with a high material yield are promising for practical applications.

Journal

• TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)

  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 42 (2), 42-46, 2007

  CRYOGENICS AND SUPERCONDUCTIVITY SOCIETY OF JAPAN

Keywords

• IBAD
• MPMT-PLD
• GdBCO
• high <i>I</i>_c

Details

• CRID: 1390001204614708352
• NII Article ID: 10018292908
• NII Book ID: AN00333419
• DOI: 10.2221/jcsj.42.42
• COI: 1:CAS:528:DC%2BD2sXjvFSjtbk%3D
• ISSN: 18800408
• ISSN: 03892441
• NDL BIB ID: 8717276
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8717276
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed