Pulsed field magnetization for GdBaCuO bulk with stronger pinning characteristics

Hiroyuki Fujishiro, Takuya Hiyama, Takashi Miura, Tomoyuki Naito, Shinya Nariki, Naomichi Sakai, Izumi Hirabayashi

研究成果査読

30 被引用数 (Scopus)

抄録

The GdBaCuO superconducting bulk with stronger pinning characteristics (BT = 1.8 T at 77 K by the field cooled magnetization (FCM)) has been magnetized at Ts = 70 - 20 K by the pulsed field magnetization (PFM) techniques; a sequential pulsed-field application (SPA) and a modified multi pulse technique with stepwise cooling (MMPSC). With decreasing Ts, the pinning force Fp increases especially at the growth sector boundaries (GSBs), and then the nonuniformity of the trapped field profile becomes more and more conspicuous on the bulk surface. At low Ts, the SPA technique is not necessarily a suitable technique to enhance the trapped field B T and the total trapped flux φT However, these values can be enhanced by the MMPSC method. The properties of the bulk with stronger pinning characteristics during PFM are discussed.

本文言語English
論文番号5067107
ページ(範囲)3545-3548
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
19
3
DOI
出版ステータスPublished - 2009 6
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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