Journal of Low Temperature Physics

, Volume 117, Issue 3–4, pp 741–745 | Cite as

Growth and Characterization of Tl2Ba2CuOx(Tl-2201) Single Crystals

  • Masashi Hasegawa
  • Humihiko Takei
  • Koichi Izawa
  • Yuji Matsuda

Abstract

A new closed-atmosphere method using a gold crucible has been developed to grow single crystals of the Tl-based cuprate superconductors by a self-flux growth method. This new method can provide us mm-sized single crystals of Tl2Ba2CuOx. It should be noted that the value in the resistivity ratio R(300K)/R(Tc) (RRR) of one of the as-grown crystals is 18.3. This high RRR value indicates that the newly developed method is useful to obtain extremely high-quality single crystals of Tl2Ba2CuOx.

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Copyright information

© Plenum Publishing Corporation 1999

Authors and Affiliations

  • Masashi Hasegawa
    • 1
  • Humihiko Takei
    • 1
    • 2
  • Koichi Izawa
    • 1
  • Yuji Matsuda
    • 1
  1. 1.Institute for Solid State PhysicsUniversity of TokyoRoppongi, Minato-ku, TokyoJapan
  2. 2.Graduate School of ScienceOsaka UniversityMachikaneyama, Toyonaka-shi, OsakaJapan

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