Non-trivial Berry phase in the Cd3As2 3D Dirac semimetal
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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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<title xml:lang='en'>Non-trivial Berry phase in the Cd3As2 3D Dirac semimetal</title>
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<publicationYear>2015</publicationYear>
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<subject>Dynamics</subject>
<subject>fruits</subject>
<subject>Metal insulator boundaries</subject>
<subject>nanostructures</subject>
<subject>Optoelectronic devices</subject>
<subject>Semiconductor insulator boundaries</subject>
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<description xml:lang='en' descriptionType='Abstract'><p>We present magnetotransport measurements performed on Cd<sub>3</sub>As<sub>2</sub>&nbsp;samples. Our results confirm the existence of 3D Dirac fermions in this material with a &pi; Berry phase. A metal-insulator transition driven by the magnetic field is also observed for B &lt; 1 T. Finally the in situ rotation of the sample reveals that the Fermi surface is a weakly anisotropic ellipsoid.</p></description>
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