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. 2020 Jul 23;10:12343. doi: 10.1038/s41598-020-69284-5

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Crystal structure and sample characterization of YPtBi. (a) The unit cell of YPtBi compound. (b) The bulk Brillouin zone with surface projections along the [001] and [111] directions. High symmetry points are marked in the plot. (c) Core level photoemission spectrum. Sharp peaks of Pt 4f and Bi 5d are observed. (d) Spectroscopically measured Fermi surface of YPtBi. Black hexagon represents the first Brillouin zone. Observation of hexagonal Brillouin zone confirms that the cleavage plane of the crystal is (111).