Quantum oscillations and high carrier mobility in the delafossite PdCoO(2).

@article{Hicks2012QuantumOA,
  title={Quantum oscillations and high carrier mobility in the delafossite PdCoO(2).},
  author={Clifford W Hicks and Alexandra Gibbs and Andrew P Mackenzie and Hiroshi Takatsu and Yoshiteru Maeno and Edward A. Yelland},
  journal={Physical review letters},
  year={2012},
  volume={109 11},
  pages={
          116401
        }
}
We present de Haas-van Alphen and resistivity data on single crystals of the delafossite PdCoO(2). At 295 K we measure an in-plane resistivity of 2.6  μΩ cm, making PdCoO(2) 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  μm, approximately 10(5) lattice spacings and an… CONTINUE READING

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