Extremely large magnetoresistance and Fermi surface topology of PrSb

Abstract

We report magnetotransport measurements of PrSb in high magnetic fields. Our results show that PrSb exhibits extremely large magnetoresistance(XMR) at low temperatures. Meanwhile angle-dependent magnetoresistance measurements were used to probe the Fermi surface via Shubnikov-de Haas (SdH) oscillations. The angular dependence of the frequencies of the $\alpha$-branch indicate a two-dimensional character for this Fermi surface sheet, while the effective mass of this branch as a function of angle shows a four-fold signature. The evolution of the Fermi surface with field was also studied up to 32~T. An enlargement of the Fermi surface up to 14~T is observed, before the oscillation frequencies become constant at higher fields. Meanwhile our analysis of the residual Landau index from the high field data reveals a zero Berry phase and therefore trivial topology of the Fermi surface.

arXiv comment6 pages, 4 figures

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• Direct evidence of electron-hole compensation for XMR in topologically trivial YBi
• Spin-orbital order and excitons in magnetoresistive HoBi
• Charge Density Modulation and Defect Ordering in Na${}_x$MnBi${}_y$ magnetic semimetal
• Growth of rare-earth monopnictide DySb single crystal by novel Self-flux method