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Unconventional magneto-transport in ultrapure PdCoO2 and PtCoO2

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arxiv 1804.01896 v1 pith:T6MRHXNM submitted 2018-04-05 cond-mat.mes-hall cond-mat.other

Unconventional magneto-transport in ultrapure PdCoO2 and PtCoO2

Nabhanila Nandi , Thomas Scaffidi , Pallavi Kushwaha , Seunghyun Khim , Mark E. Barber , Veronika Sunko , Federico Mazzola , Philip D. C. King
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Helge Rosner Philip J. W. Moll Markus K\"onig Joel E. Moore Sean Hartnoll Andrew P. Mackenzie
This is my paper
classification cond-mat.mes-hall cond-mat.other
keywords metalspdcoo2ptcoo2transportunconventionalaccountedappliedcontributions
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We have studied magneto transport in the single-band, quasi-two-dimensional metals PdCoO2 and PtCoO2, which have extremely long mean free paths. We observer a strong temperature dependence of the Hall resistivity in small applied, fields, linked to a large violation of Kohler's rule in the magnetoresistance. We discuss the extent to which these observations can be accounted for by standard transport theory, and describe other possible, unconventional contributions to magnetotransport in very high purity metals.

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