Josephson effects in U-shaped YBa2Cu3O7-y microbridges

H. C. Yang*, H. H. Sung, C. Y. Huang, H. E. Horng, Y. T. Lee, J. T. Lo

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

摘要

We have fabricated U-shape YBa2Cu3Oy high-Tc microbridges on SrTiO3(001) substrates. The bridge is microprocessed by means of photolithography and wet etching. The fabricated configuration of the bridge is 20 μm wide, 10 μm long and 10 - 40 nm thick. Current-voltage curves show a hysteretic behavior. The junction capacitance is 0.57 pF and the IcRn product is 0.5 mV at 35 K. Shapiro steps are observed under microwave irradiation; voltage spikes are occasionally observed in current-voltage curves and are owing to the absence of the phase locking in the weak links.

原文英語
頁(從 - 到)1773-1774
頁數2
期刊Physica B: Physics of Condensed Matter
194-196
發行號PART 2
DOIs
出版狀態已發佈 - 1994 二月 2
對外發佈

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學
  • 電氣與電子工程

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