Electron energy spectrum and the de Haas–van Alphen effect in the ordered compound Cd3Mg
V. V. KhotkevichPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. B. PluzhnikovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovI. V. SvechkarevPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovG. E. GrechnevPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovJ. R. AndersonDepartment of Physics and Astronomy, University of Maryland, College Park, MDWarren E. PickettNaval Research Laboratories, Washington, D. C
ABI
Аннотация
De Haas–van Alphen oscillations have been observed in the ordered intermetallic compound Cd3Mg at 1.5 to 4.2 K in fields up to 70 kG. The angular dependence of the oscillation frequencies in the range of 2.1 to 6.0 MG was studied. Effective masses of carriers and Dingle temperatures were measured for some characteristic orientations of the magnetic field with respect to the crystal axes. The band structure of Cd3Mg is calculated on the basis of the Animalu-Heine model pseudopotentials. A model of the Fermi surface of Cd3Mg was constructed and an interpretation of the oscillations observed experimentally is proposed.
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