Strain engineering the topological type-II Dirac semimetal (2021)
- Authors:
- USP affiliated authors: MARTINS, GABRIELLE WEBER - EEL ; MACHADO, ANTONIO JEFFERSON DA SILVA - EEL ; ELENO, LUIZ TADEU FERNANDES - EEL ; CORRÊA, LUCAS EDUARDO - EEL
- Unidade: EEL
- DOI: 10.1103/PhysRevB.103.125134
- Subjects: ESTRUTURA ELETRÔNICA; MATÉRIA CONDENSADA; ELASTICIDADE
- Agências de fomento:
- Language: Inglês
- Abstract: In the present work, we investigate the electronic and elastic properties in equilibrium and under strain of the type-II Dirac semimetal NiTe2 using density functional theory. Our results demonstrate the tunability of Dirac nodes' energy and momentum with strain and that it is possible to bring them closer to the Fermi level, while other metallic bands are suppressed. We also derive a minimal 4-band effective model for the Dirac cones, which accounts for the aforementioned strain effects by means of lattice regularization, providing an inexpensive way for further theoretical investigations and easy comparison with experiments. On an equal footing, we propose the static control of the electronic structure by intercalating alkali species into the van der Waals gap, resulting in the same effects obtained by strain engineering and removing the requirement of in situ strain. Finally, evaluating the wave-function's symmetry evolution as the lattice is deformed, we discuss possible consequences, such as Liftshitz transitions and the coexistence of type-I and type-II Dirac cones, thus motivating future investigations.
- Imprenta:
- Publisher: New Jersey
- Publisher place: APS
- Date published: 2021
- Source:
- Título: Physical review b
- ISSN: 2469-9950
- Volume/Número/Paginação/Ano: v.103, p.1-13, art. n.125134, 2021
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: green
- Licença: other-oa
-
ABNT
FERREIRA, Pedro Pires et al. Strain engineering the topological type-II Dirac semimetal. Physical review b, v. 103, n. art. 125134, p. 1-13, 2021Tradução . . Disponível em: https://doi.org/10.1103/PhysRevB.103.125134. Acesso em: 07 jun. 2025. -
APA
Ferreira, P. P., Manesco, A. L. R., Dorini, T. T., Correa, L. E., Weber, G., Machado, A. J. da S., & Eleno, L. T. F. (2021). Strain engineering the topological type-II Dirac semimetal. Physical review b, 103( art. 125134), 1-13. doi:10.1103/PhysRevB.103.125134 -
NLM
Ferreira PP, Manesco ALR, Dorini TT, Correa LE, Weber G, Machado AJ da S, Eleno LTF. Strain engineering the topological type-II Dirac semimetal [Internet]. Physical review b. 2021 ;103( art. 125134): 1-13.[citado 2025 jun. 07 ] Available from: https://doi.org/10.1103/PhysRevB.103.125134 -
Vancouver
Ferreira PP, Manesco ALR, Dorini TT, Correa LE, Weber G, Machado AJ da S, Eleno LTF. Strain engineering the topological type-II Dirac semimetal [Internet]. Physical review b. 2021 ;103( art. 125134): 1-13.[citado 2025 jun. 07 ] Available from: https://doi.org/10.1103/PhysRevB.103.125134 - Strain engineering the topological type-II Dirac semimetal NiTe2
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Informações sobre o DOI: 10.1103/PhysRevB.103.125134 (Fonte: oaDOI API)
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