Growth of electron-doped superconductor Pr0.9LaCe 0.1Cu04 films and their applications to intrinsic josephson junctions

Jie Yuan, Huabing Wang, Ienari Iguchi, Yung-Yuan Hsu, Shunichi Arisawa, Akira Ishii, Takeshi Hatano

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

As a typical electron-doped high-Tc superconductor, Pr 0.9LaCe0.1CuO4 (PLCCO) single crystal samples were widely studied. In this work, superconducting PLCCO films have been successfully prepared by pulsed laser deposition method. The zero resistance transition temperature of the films deposited under optimal condition is up to 24.0 K, equal to the reported value of single crystals with the same composition. Further, in PLCCO micro-bridges structured across a low-angle step on (srTiO3100) substrates, typical hysteresis and multiple resistive branches were observed in the current-voltage curves. These transport properties can be understood as so-called intrinsic Josephson effects, resulting from the tunneling between interleaving superconducting and non-superconducting layers in anisotropic superconductors. While this confirms the high quality of the films, more investigations are necessary for the potential applications in superconductor electronics.

Original languageEnglish
Article number4982595
Pages (from-to)3443-3446
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number3
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

Josephson junctions
Superconducting materials
Electrons
Single crystals
electrons
Josephson effect
single crystals
Pulsed laser deposition
Transport properties
Superconducting transition temperature
pulsed laser deposition
Hysteresis
Electronic equipment
transport properties
transition temperature
hysteresis
Electric potential
electric potential
Substrates
curves

Keywords

  • Electron-doped superconductor
  • Film
  • Intrinsic josephson junction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Growth of electron-doped superconductor Pr0.9LaCe 0.1Cu04 films and their applications to intrinsic josephson junctions. / Yuan, Jie; Wang, Huabing; Iguchi, Ienari; Hsu, Yung-Yuan; Arisawa, Shunichi; Ishii, Akira; Hatano, Takeshi.

In: IEEE Transactions on Applied Superconductivity, Vol. 19, No. 3, 4982595, 01.06.2009, p. 3443-3446.

Research output: Contribution to journalArticle

Yuan, Jie ; Wang, Huabing ; Iguchi, Ienari ; Hsu, Yung-Yuan ; Arisawa, Shunichi ; Ishii, Akira ; Hatano, Takeshi. / Growth of electron-doped superconductor Pr0.9LaCe 0.1Cu04 films and their applications to intrinsic josephson junctions. In: IEEE Transactions on Applied Superconductivity. 2009 ; Vol. 19, No. 3. pp. 3443-3446.
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AB - As a typical electron-doped high-Tc superconductor, Pr 0.9LaCe0.1CuO4 (PLCCO) single crystal samples were widely studied. In this work, superconducting PLCCO films have been successfully prepared by pulsed laser deposition method. The zero resistance transition temperature of the films deposited under optimal condition is up to 24.0 K, equal to the reported value of single crystals with the same composition. Further, in PLCCO micro-bridges structured across a low-angle step on (srTiO3100) substrates, typical hysteresis and multiple resistive branches were observed in the current-voltage curves. These transport properties can be understood as so-called intrinsic Josephson effects, resulting from the tunneling between interleaving superconducting and non-superconducting layers in anisotropic superconductors. While this confirms the high quality of the films, more investigations are necessary for the potential applications in superconductor electronics.

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