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Emptying Dirac valleys in bismuth using high magnetic fields

The Fermi surface of elemental bismuth consists of three small rotationally equivalent electron pockets, offering a valley degree of freedom to charge carriers. A relatively small magnetic field can confine electrons to their lowest Landau level. This is the quantum limit attained in other dilute me...

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Detalles Bibliográficos
Autores principales: Zhu, Zengwei, Wang, Jinhua, Zuo, Huakun, Fauqué, Benoît, McDonald, Ross D., Fuseya, Yuki, Behnia, Kamran
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5454462/
https://www.ncbi.nlm.nih.gov/pubmed/28524844
http://dx.doi.org/10.1038/ncomms15297