Field electron emission from a high-Tc superconductor Bi 2Sr2CaCu2O8+δ whisker

I. Takano, T. Hatano, T. Ishikawa, B. L. Cho, E. Rokuta, C. Oshima

研究成果: Conference contribution

抄録

In this study, field emission (FE) properties of a high-Tc superconductor Bi2Sr2CaCu2O 8+δ (Bi-2212) whisker as well as the optimization of the sample preparation methods were explored. Either chemical etching or mechanical cutting was undertaken at first in order to sharpen one end of the whisker. Both of the treatments successfully yielded a sharply pointed tip with its radius less than 500 nm. Subsequent preparation treatments in a UHV chamber provided layered patterns in FIM observation, which were very characteristic of those of other layered superconductors. More importantly, the treatments inside the UHV chamber stabilized FE currents to a significant level. The resulting fluctuation was subtle enough to be analyzed the energy distribution curves of the FE electron beams issuing from the superconducting Bi-2212.

本文言語English
ホスト出版物のタイトルIVESC2004 - 5th International Vacuum Electron Sources Conference Proceedings
ページ284-286
ページ数3
出版ステータスPublished - 2004
イベントIVESC2004 - 5th International Vacuum Electron Sources Conference Proceedings - Beijing
継続期間: 2004 9 62004 9 10

Other

OtherIVESC2004 - 5th International Vacuum Electron Sources Conference Proceedings
CityBeijing
Period04/9/604/9/10

ASJC Scopus subject areas

  • 工学(全般)

フィンガープリント

「Field electron emission from a high-T<sub>c</sub> superconductor Bi <sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub>+δ whisker」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。

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