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Nikitin AM, Pan Y, Mao X, et al. Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi. J Phys Condens Matter. 2015;27(27):275701doi: 10.1088/0953-8984/27/27/275701.
Nikitin, A. M., Pan, Y., Mao, X., Jehee, R., Araizi, G. K., Huang, Y. K., Paulsen, C., Wu, S. C., Yan, B. H., & de Visser, A. (2015). Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi. Journal of physics. Condensed matter : an Institute of Physics journal, 27(27), 275701. https://doi.org/10.1088/0953-8984/27/27/275701
Nikitin, A M, et al. "Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi." Journal of physics. Condensed matter : an Institute of Physics journal vol. 27,27 (2015): 275701. doi: https://doi.org/10.1088/0953-8984/27/27/275701
Nikitin AM, Pan Y, Mao X, Jehee R, Araizi GK, Huang YK, Paulsen C, Wu SC, Yan BH, de Visser A. Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi. J Phys Condens Matter. 2015 Jul 15;27(27):275701. doi: 10.1088/0953-8984/27/27/275701. Epub 2015 Jun 18. PMID: 26086396.
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J Phys Condens Matter. 2015 Jul 15;27(27):275701. doi: 10.1088/0953-8984/27/27/275701. Epub 2015 Jun 18.

Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi.

Journal of physics. Condensed matter : an Institute of Physics journal

A M Nikitin, Y Pan, X Mao, R Jehee, G K Araizi, Y K Huang, C Paulsen, S C Wu, B H Yan, A de Visser

Affiliations

  1. Van der Waals - Zeeman Institute, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.

PMID: 26086396 DOI: 10.1088/0953-8984/27/27/275701

Abstract

We report a study of the magnetic and electronic properties of the non-centrosymmetric half-Heusler antiferromagnet HoPdBi (TN = 2.0 K). Magnetotransport measurements show HoPdBi has a semimetallic behavior with a carrier concentration n = 3.7 × 10(18) cm(-3) extracted from the Shubnikov-de Haas effect. The magnetic phase diagram in the field-temperature plane has been determined by transport, magnetization, and thermal expansion measurements: magnetic order is suppressed at BM ~ 3.6 T for T --> 0. Superconductivity with Tc ~ 1.9 K is found in the antiferromagnetic phase. Ac-susceptibility measurements provide solid evidence for bulk superconductivity below Tc = 0.75 K with a screening signal close to a volume fraction of 100%. The upper critical field shows an unusual linear temperature variation with Bc2(T --> 0) = 1.1 T. We also report electronic structure calculations that classify HoPdBi as a new topological semimetal, with a non-trivial band inversion of 0.25 eV.

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