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Revisiting the properties of delafossite CuCrO2: A single crystal study

Abstract : Platelet-like single-crystals of delafossite CuCrO2 have been successfully grown and characterised by X-ray diffraction and pole figures, scanning electron and atomic force microscopy. Transport measurements reveal that the resistivity is highly anisotropic, with a ratio of about 35 at 300 K between the in- and out-of-plane directions, reflecting the layered crystal structure. The magnetization and specific heat data show that CuCrO2 undergoes a unique antiferromagnetic transition at TN=24.0 K, in contrast to a recent report on CuCrO2 single-crystals [16] showing the existence of two magnetic transitions, TN1=24.2 K and TN2=23.6 K, depending on the orientation of the applied magnetic field along and perpendicular to c, respectively.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02264057
Contributor : Elisabeth van T Hof <>
Submitted on : Tuesday, August 6, 2019 - 11:10:33 AM
Last modification on : Monday, February 10, 2020 - 10:02:02 PM

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Maria Poienar, Vincent Hardy, Bohdan Kundys, Kiran Singh, Antoine Maignan, et al.. Revisiting the properties of delafossite CuCrO2: A single crystal study. Journal of Solid State Chemistry, Elsevier, 2012, 185, pp.56-61. ⟨10.1016/j.jssc.2011.10.047⟩. ⟨hal-02264057⟩

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