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

Desrat Wilfried; Conséjo Christophe; Teppe Fréd́eric; Contreras Sylvie; Marcinkiewicz Michal; Knap Wojciech; Nateprov A.; Arushanov Ernest

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132

SM ISO690:2012

DESRAT, Wilfried, CONSÉJO, Christophe, TEPPE, Fréd́eric, CONTRERAS, Sylvie, MARCINKIEWICZ, Michal, KNAP, Wojciech , NATEPROV, A., ARUSHANOV, Ernest. Non-trivial Berry phase in the Cd3As2 3D Dirac semimetal. In: Journal of Physics: Conference Series, 2015, vol. 647, p. 0. ISSN 1742-6588. DOI: https://doi.org/10.1088/1742-6596/647/1/012064

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Journal of Physics: Conference Series

Volumul 647 / 2015 / ISSN 1742-6588 /ISSNe 1742-6596

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

DOI:https://doi.org/10.1088/1742-6596/647/1/012064

Pag. 0-0

Desrat Wilfried¹, Conséjo Christophe¹, Teppe Fréd́eric¹, Contreras Sylvie¹, Marcinkiewicz Michal¹, Knap Wojciech ¹, Nateprov A.², Arushanov Ernest²

¹ University of Montpellier,
² Institute of Applied Physics, Academy of Sciences of Moldova

Disponibil în IBN: 2 iunie 2023

Rezumat

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.

Cuvinte-cheie
Dynamics, fruits, Metal insulator boundaries, nanostructures, Optoelectronic devices, Semiconductor insulator boundaries

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