On linear resistivity from ~1 to 103 K in Sr2RuO4-δ single crystals grown by flux technique

We report transport measurements on single crystals of Sr2RuO4-δ, grown by the flux technique. The temperature dependence of the Hall coefficient is similar to the one measured in cuprates, and the linear resistivity persists up to ~1000 K, while the superconductivity remains confined below 1 K. This suggests that the linear temperature dependence of resistivity is not an exclusive signature of the anomalous normal state of high-Tc cuprates but rather of layered oxides in general, especially single-layer perovskites, possibly independently of the magnitude of the superconducting temperature. In addition, such Sr2RuO4-δ may be used as a broad-range thermometer

Published in:
Europhysics Letters, 41, 5, 531-534

 Record created 2007-03-09, last modified 2018-03-17

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