Low-temperature magnetothermal transport investigation of a Ni-based superconductor BaNi2As2: evidence for fully gapped superconductivity

We have performed low-temperature specific heat and thermal conductivity measurements of the Ni-based superconductor BaNi2As2 (T{c}=0.7 K) in a magnetic field. In a zero field, thermal conductivity shows T-linear behavior in the normal state and exhibits a BCS-like exponential decrease below T{c}. T...

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Veröffentlicht in:	Physical review letters 2009-04, Vol.102 (14), p.147004-147004
Hauptverfasser:	Kurita, N, Ronning, F, Tokiwa, Y, Bauer, E D, Subedi, A, Singh, D J, Thompson, J D, Movshovich, R
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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