Visualization of grain structure in HTS HoBCO coated conductor using laser induced thermoelectric voltage

Zulistiana Zulkifli, Takashi Fujiwara, Toshihiro Shoyama, Daisuke Mitsui, Takanobu Kiss, Keiji Enpuku, Kazuya Ohmatsu, Yuh Shiohara

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

Grain structure imaging in high temperature superconductor coated conductor studies is crucial because its ability to carry current strongly depends on the microstructure. We have come with a novel method of imaging the CC grain structure using laser induced thermoelectric voltage in mm length with a resolution of 2 to 3μm on a textured metal based HoBCO CC microbridge. Due to anisotropic difference between the ab-plane and the c-axis of the CC, we are able to visualize its grain structure at high resolution. This responsive Seebeck voltage amplitude is proportionate to the tilting angle of the CuO 2 plane of the grains relative to the tape surface. From 2D map of voltage phase signal, we can clearly visualize domain structure depending on the tilting direction of the grains. Further statistical analysis showed a good relationship with XRD crystal analysis in literature.

本文言語英語
ページ(範囲)91-95
ページ数5
ジャーナルResearch Reports on Information Science and Electrical Engineering of Kyushu University
11
2
出版ステータス出版済み - 9月 2006

!!!All Science Journal Classification (ASJC) codes

  • コンピュータサイエンス一般
  • 電子工学および電気工学

フィンガープリント

「Visualization of grain structure in HTS HoBCO coated conductor using laser induced thermoelectric voltage」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル