Observation of Shapiro steps and spectroscopic applications of stacked intrinsic Josephson junctions up to the terahertz region

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Published 11 December 2001 • Published under licence by IOP Publishing Ltd
, , Citation H B Wang et al 2002 Supercond. Sci. Technol. 15 90 DOI 10.1088/0953-2048/15/1/315

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Author affiliations

1 Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan

2 CREST, Japan Science and Technology Corporation (JST), Kawaguchi, Japan

3 Research Institute of Superconductor Electronics, University of Nanjing, Nanjing 210093, People's Republic of China

4 New Industry Creation Hatchery Center, Tohoku University, Sendai 980-8579, Japan

Dates

  1. Received 24 August 2001
  2. Published

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0953-2048/15/1/90

Abstract

In this paper, we report on the recent progress in fabrication and high-frequency experiments of Bi2Sr2CaCu2O8+x (BSCCO) intrinsic Josephson junctions (IJJs). Using a newly developed double-sided fabrication process, we single out a well-defined number of IJJs in a well-defined geometry from inside a slice of a BSCCO single crystal. We discuss in detail the observations of both Shapiro steps and harmonic mixings in the terahertz region, and we indicate the possible applications in spectroscopy.

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10.1088/0953-2048/15/1/315