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Fermi surface topology and magnetotransport in semimetallic LuSb

TitleFermi surface topology and magnetotransport in semimetallic LuSb
Publication TypeJournal Article
Year of Publication2017
AuthorsPavlosiuk, O, Kleinert, M, Swatek, P, Kaczorowski, D, Wisniewski, P
JournalScientific Reports
Date Published10
Type of ArticleArticle
ISBN Number2045-2322
Accession NumberWOS:000412654700009
Keywords1st principles, bi, cesb, magnetoresistance, phase-transition, Technology - Other Topics, ysb

Several rare-earth monopnictides were shown to exhibit extreme magnetoresistance and field-induced low-temperature plateau of electrical resistivity. These features are also hallmarks of topological semimetals, thus the family is intensively explored with respect to magneto-transport properties and possible hosting Dirac fermion states. We report a comprehensive investigation of Fermi surface and electrical transport properties of LuSb, another representative of this family. At low temperatures, the magnetoresistance of LuSb was found to exceed 3000% without saturation in fields up to 9 T. Analysis of the Hall effect and the Shubnikov-de Haas oscillations revealed that the Fermi surface of this compound consists of several pockets originating from fairly compensated multi-band electronic structure, in full accordance with our first-principles calculations. Observed magnetotransport properties of LuSb can be attributed to the topology of three-dimensional Fermi surface and a compensation of electron and hole contributions.

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