High-temperature resistivity of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">Sr</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow><mrow><msub><mrow><mi mathvariant="normal">RuO</mi></mrow><mrow><mn>4</mn></mrow></msub></mrow><mo>:</mo></math></span> Bad metallic transport in a good metal

A. W. Tyler; A. P. Mackenzie; S. NishiZaki; Y. Maeno

doi:10.1103/PhysRevB.58.R10107

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High-temperature resistivity of ${Sr}_{2} {RuO}_{4} :$ Bad metallic transport in a good metal

A. W. Tyler, A. P. Mackenzie, S. NishiZaki, and Y. Maeno

Phys. Rev. B 58, R10107(R) – Published 15 October 1998

Abstract

We report the results of a study of the in-plane and out-of-plane resistivity of the layered perovskite superconductor ${Sr}_{2} {RuO}_{4}$ at temperatures between 4 and 1300 K. Although the material is a very good metal at low temperatures, with in-plane mean free paths (l) of thousands of lattice spacings, l falls smoothly to less than 1 Å at 1300 K with no sign of resistivity saturation at the Mott-Ioffe-Regel limit. Measurements of the incoherent out-of-plane resistivity over the same range of temperature are also discussed.

Received 30 June 1998

DOI:https://doi.org/10.1103/PhysRevB.58.R10107

Authors & Affiliations

A. W. Tyler and A. P. Mackenzie

Interdisciplinary Research Centre in Superconductivity and Department of Physics, University of Cambridge, Madingley Road, Cambridge CB3 OHE, United Kingdom
School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom

S. NishiZaki and Y. Maeno

Department of Physics, Kyoto University, Kyoto 606-8502, Japan

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Vol. 58, Iss. 16 — 15 October 1998

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Physical Review B

covering condensed matter and materials physics