Normal-state and superconducting properties of HfV2

Lüthi, B.; Herrmann, M.; Assmus, W.; Schmidt, H.; Rietschel, H.; Wühl, H.; Gottwick, U.; Sparn, G.; Steglich, F.

doi:10.1007/BF01304460

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Normal-state and superconducting properties of HfV₂

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Lüthi, B., Herrmann, M., Assmus, W., Schmidt, H., Rietschel, H., Wühl, H., et al. (1985). Normal-state and superconducting properties of HfV₂. Zeitschrift für Physik B, 60(2-4), 387-392. doi:10.1007/BF01304460.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-CEA9-9

Abstract

We present experimental results for the low-temperature specific heat, electrical resistivity, elastic constants, ultrasonic attenuation and thermal conductivity of theC 15 Laves phase HfV2 for both polycrystalline and single crystal samples. BelowT c =9 K, the temperature dependence of the specific heat can roughly be approximated by aT 3 law over a large temperature range. This may be explained with strong coupling effects in consistence with the high value for ΔC/γT c =1.9. Heat transport appears dominated by the known phonon contribution also belowT c . There is no electronic contribution to the ultrasonic attenuation in HfV2.