Electronic structure and anisotropic transport properties in hexagonal YPtIn and LuAgGe ternary compounds

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Samolyuk, G. D.
Bud'ko, Sergey L.
Morosan, E.
Antropov, V. P.
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IOP Publishing Ltd
Canfield, Paul
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We present anisotropic, zero applied magnetic field, temperature-dependent resistivity measurements on hexagonal, non-magnetic YPtIn and LuAgGe single crystals. For these materials the in-plane resistivity, ρab, is significantly higher than the c-axis one, ρc, with ρab/ρc≈1.4 for YPtIn and ≈4.2–4.7 for LuAgGe. The connection between the electronic structure and the anisotropic transport properties is discussed using density functional calculations that link the observed anisotropy with a specific shape of Fermi surface and anisotropy of the Fermi velocities.
This is the version of the article before peer review or editing, as submitted by an author to Journal of Physics: Condensed Matter. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at DOI: 10.1088/0953-8984/18/4/030. Copyright 2006 IOP Publishing Ltd. Posted with permission.