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

In this paper, 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 10 4% and 10 3%, 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. Finally, first-principle calculations of electronic band structure are in a very good agreement with the experimental data.
 [1] ;  [2] ;  [1] ;  [1]
  1. Polish Academy of Sciences (PAS), Wrocław (Poland). Inst. of Low Temperature and Structure Research
  2. Polish Academy of Sciences (PAS), Wrocław (Poland). Inst. of Low Temperature and Structure Research; Ames Lab. and Iowa State Univ., Ames, IA (United States). Division of Materials Science and Engineering. Dept. of Physics and Astronomy
Publication Date:
Report Number(s):
Journal ID: ISSN 2469-9950
Grant/Contract Number:
AC02-07CH11358; 2015/18/A/ST3/00057
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 97; Journal Issue: 23; Journal ID: ISSN 2469-9950
American Physical Society (APS)
Research Org:
Ames Lab. and Iowa State Univ., Ames, IA (United States); Polish Academy of Sciences (PAS), Wrocław (Poland)
Sponsoring Org:
USDOE; Ames Laboratory Directed Research and Development (LDRD) Program; National Science Centre of Poland
Country of Publication:
United States
36 MATERIALS SCIENCE; conductivity; Fermi surface; first-principles calculations; giant magnetoresistance; magnetotransport; Shubnikov-de Haas effect; spin-orbit coupling; topological materials; pnictides; rare-earth alloys
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1454891