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Interlayer tunnelling in Bi2Sr2CaCu2O8+d single crystals

Thomas, PJ; Fenton, JC; Yang, G; Gough, CE; (2000) Interlayer tunnelling in Bi2Sr2CaCu2O8+d single crystals. Physica B: Condensed Matter , 280 (1-4) 245 - 246. 10.1016/S0921-4526(99)01646-4. Green open access

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Abstract

We present measurements of the intrinsic quasi-particle conductivity along the c-axis of 2212-BSCCO single-crystal mesa structures in the superconducting and normal states. Direct measurement of the mesa temperature enables corrections to be made for self-heating and permits the acquisition of reliable I-V characteristics over a wide range of temperatures and voltages. Unlike a conventional superconductor, there is no evidence for any change in the quasiparticle conductivity at Tc, consistent with precursor pairing of electrons in the normal state. At low temperatures the initial low-voltage linear conductivity exhibits a T2 dependence, approaching a limiting value at zero temperature.

Type: Article
Title: Interlayer tunnelling in Bi2Sr2CaCu2O8+d single crystals
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/S0921-4526(99)01646-4
Publisher version: http://dx.doi.org/10.1016/S0921-4526(99)01646-4
Language: English
Additional information: This is the author’s version of a work that was accepted for publication in Physica B: Condensed Matter. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physica B: Condensed Matter, [VOL280, ISSUE 1-4, (2000)] DOI: 10.1016/S0921-4526(99)01646-4
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/52003
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