Resistivity measurements unveil microscopic properties of CrAs

24 Dec 2018 Nigro A. Marra P. Autieri C. Wu W. Cheng J. G. Luo J. Noce C.

We report resistivity measurements of a CrAs single crystal in a wide temperature range, with the specific aim to assess the applicability of the Bloch-Gruneisen formula for electron-phonon resistivity. We find that the resistance reaches a residual value at Tc=4.2 K and its temperature dependence cannot be fitted only with a suitable Bloch-Gruneisen formula in the whole temperature range, even though we are able to calculate a well defined transport Debye temperature... (read more)

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