Volume 104, Number 2, October 2013
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||15 November 2013|
Superconductivity and magnetic order in the noncentrosymmetric half-Heusler compound ErPdBi
1 Van der Waals - Zeeman Institute, University of Amsterdam - Science Park 904, 1098 XH Amsterdam, The Netherlands
2 Institut Néel, CNRS, and Université Joseph Fourier - BP 166, 38042 Grenoble, France
3 Max-Planck-Institut für Chemische Physik fester Stoffe - Nöthnitzer Strasse 40, 01187 Dresden, Germany
Received: 15 October 2013
Accepted: 15 October 2013
We report superconductivity at and magnetic order at in the semimetallic noncentrosymmetric half-Heusler compound ErPdBi. The upper critical field, Bc2, has an unusual quasi-linear temperature variation and reaches a value of 1.6 T for . Magnetic order is found below Tc and is suppressed at for . Since , the interaction of superconductivity and magnetism is expected to give rise to a complex ground state. Moreover, electronic-structure calculations show that ErPdBi has a topologically nontrivial band inversion and thus may serve as a new platform to study the interplay of topological states, superconductivity and magnetic order.
PACS: 74.10.+v – Occurrence, potential candidates / 74.25.-q – Properties of superconductors / 74.20.Pq – Electronic structure calculations
© EPLA, 2013
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