Superconductivity and magnetic order in the noncentrosymmetric half-Heusler 
compound ErPdBi

Pan, Y.; Nikitin, A. M.; Bay, T. V.; Huang, Y. K.; Paulsen, C.; Yan, B. H.; de Visser, A.

doi:10.1209/0295-5075/104/27001

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Superconductivity and magnetic order in the noncentrosymmetric half-Heusler compound ErPdBi

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Yan, B. H.
Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Pan, Y., Nikitin, A. M., Bay, T. V., Huang, Y. K., Paulsen, C., Yan, B. H., et al. (2013). Superconductivity and magnetic order in the noncentrosymmetric half-Heusler compound ErPdBi. EPL, 104(2): 27001, pp. 27001-1-27001-6. doi:10.1209/0295-5075/104/27001.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-1E36-6

Abstract

We report superconductivity at T-c = 1.22K and magnetic order at T-N = 1.06K in the semimetallic noncentrosymmetric half-Heusler compound ErPdBi. The upper critical field, B-c2, has an unusual quasi-linear temperature variation and reaches a value of 1.6T for T -> 0. Magnetic order is found below T-c and is suppressed at B-M similar to 2.5T for T -> 0. Since T-c similar or equal to T-N, 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. Copyright (C) EPLA, 2013