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| Title: | Quantum oscillations and high carrier mobility in the delafossite PdCoO2 |
| Authors: | W. Hicks, Clifford
S. Gibbs, Alexandra
P. Mackenzie, Andrew
Takatsu, Hiroshi
Maeno, Yoshiteru
A. Yelland, Edward |
| Keywords: | QC Physics |
| Issue Date: | Sep-2012 |
| Citation: | W. Hicks , C , S. Gibbs , A , P. Mackenzie , A , Takatsu , H , Maeno , Y & A. Yelland , E 2012 , ' Quantum oscillations and high carrier mobility in the delafossite PdCoO 2 ' Physical Review Letters , vol 109 , no. 11 . |
| Abstract: | We present de Haas-van Alphen and resistivity data on single crystals of the delafossite PdCoO2. At 295 K we measure an in-plane resistivity of 2.6 \mu{\Omega}-cm, making PdCoO2 the most conductive oxide known. The low-temperature in-plane resistivity has an activated rather than the usual T^5 temperature dependence, suggesting a gapping of effective scattering that is consistent with phonon drag. Below 10 K, the transport mean free path is 20 \mum, approximately 10^5 lattice spacings and an astoundingly high value for flux-grown crystals. We discuss the origin of these properties in light of our data. |
| Version: | Postprint |
| Status: | Peer reviewed |
| URI: | http://hdl.handle.net/10023/3246
http://arxiv.org/abs/1207.5402 |
| DOI: | http://dx.doi.org/10.1103/PhysRevLett.109.116401 |
| ISSN: | 0031-9007 |
| Type: | Journal article |
| Rights: | This is an author version of this work. The published version (c) 2012 American Physical Society is available from http://link.aps.org/doi/10.1103/PhysRevLett.109.116401 |
| Appears in Collections: | Physics & Astronomy Research
University of St Andrews Research
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