Temperature dependence of magnetoresistance in copper single crystals

Bian, Q.; Niewczas, M.

doi:10.1016/j.jpcs.2017.11.008

Cited by 2 publications

(1 citation statement)

References 30 publications

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“…The former can be excluded since EuZnSb 2 is stoichiometric crystal. The latter usually arises for electronic motion on orbits associated with magnetic field oriented along elongated necks of the Fermi surface, for example, in Cu [70], in topological materials with extremely large magnetoresistance with compensated charge carriers [71] or in two-dimensional conductors where magnetic field is applied parallel to the conducting layers [72]. Whereas we note that EuZnSb 2 is not a compensated metal with equal electron and hole concentration [ Fig.…”

Section: Resultsmentioning

confidence: 84%

Magnetic mixed valent semimetal EuZnSb2 with Dirac states in the band structure

Wang

Baranets

Liu

et al. 2020

Phys. Rev. Research

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We report discovery of antiferromagnetic semimetal EuZnSb 2 , obtained and studied in the form of single crystals. Electric resistivity, magnetic susceptibility, and heat capacity indicate antiferromagnetic order of Eu with T N = 20 K. The effective moment of Eu 2+ inferred from the magnetization and specific heat measurement is 3.5 μ B , smaller than the theoretical value of Eu 2+ due to presence of both Eu 3+ and Eu 2+. Magnetic-fielddependent resistivity measurements suggest dominant quasi-two-dimensional Fermi surfaces whereas the firstprinciple calculations point to the presence of Dirac fermions. Therefore, EuZnSb 2 could represent the first platform to study the interplay of dynamical charge fluctuations, localized magnetic 4 f moments, and Dirac states with Sb orbital character.

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Section: Resultsmentioning

confidence: 84%