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IOP Publishing, Journal of Physics: Conference Series, (647), p. 012064, 2015

DOI: 10.1088/1742-6596/647/1/012064

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Non-trivial Berry phase in the Cd3As2 3D Dirac semimetal

Journal article published in 2015 by W. Desrat ORCID, C. Consejo, F. Teppe, S. Contreras, M. Marcinkiewicz, W. Knap, A. Nateprov, E. Arushanov
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We present magnetotransport measurements performed on Cd3As2 samples. Our results confirm the existence of 3D Dirac fermions in this material with a π Berry phase. A metal-insulator transition driven by the magnetic field is also observed for B < 1 T. Finally the in situ rotation of the sample reveals that the Fermi surface is a weakly anisotropic ellipsoid.