Magnetoresistance in LuBi and YBi semimetals due to nearly perfect carrier compensation

Orest Pavlosiuk, Przemysław Swatek, Dariusz Kaczorowski, Piotr Wiśniewski

Research output: Contribution to journalArticlepeer-review


Monobismuthides of lutetium and yttrium are shown as representatives of materials which exhibit extreme magnetoresistance and magnetic-field-induced resistivity plateaus. At low temperatures and in magnetic fields of 9 T, the magnetoresistance attains orders of magnitude of 104% and 103%, on YBi and LuBi, respectively. Our thorough examination of electron-transport properties of both compounds shows that observed features are the consequence of nearly perfect carrier compensation rather than of possible nontrivial topology of electronic states. The field-induced plateau of electrical resistivity can be explained with Kohler scaling. An anisotropic multiband model of electronic transport describes very well the magnetic field dependence of electrical resistivity and Hall resistivity. Data obtained from the Shubnikov-de Haas oscillation analysis also confirm that the Fermi surface of each compound contains almost equal amounts of holes and electrons. First-principle calculations of electronic band structure are in a very good agreement with the experimental data.

Original languageEnglish (US)
Article number235132
JournalPhysical Review B
Issue number23
StatePublished - Jun 19 2018
Externally publishedYes

Bibliographical note

Funding Information:
This research was financially supported by the National Science Centre of Poland, Grant No. 2015/18/A/ST3/00057. The band structure was calculated at the Wrocław Centre for Networking and Supercomputing, Grant No. 359. P. Swatek was supported by Ames Laboratory's Laboratory-Directed Research and Development funding. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358.

Publisher Copyright:
© 2018 American Physical Society.


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