Bandgap oscillation in quasiperiodic (BN)xCy nanotubes

Freitas, Aliliane Almeida de; Bezerra, Claudionor Gomes; Azevedo, Sérgio; Machado, Leonardo Dantas; Pedreira, Danilo Oliveira

Bandgap oscillation in quasiperiodic (BN)xCy nanotubes

Página do item simplificado Estatísticas

dc.contributor.author	Freitas, Aliliane Almeida de
dc.contributor.author	Bezerra, Claudionor Gomes
dc.contributor.author	Azevedo, Sérgio
dc.contributor.author	Machado, Leonardo Dantas
dc.contributor.author	Pedreira, Danilo Oliveira
dc.date.accessioned	2020-07-07T13:35:01Z
dc.date.available	2020-07-07T13:35:01Z
dc.date.issued	2016-12
dc.description.resumo	In the present contribution, we apply first-principles calculations to study the effects of quasiperiodic disorder on the physical properties of BN and C nanotubes. We take BN nanotubes (BNNTs) and C nanotubes (CNTs) as building blocks and construct quasiperiodic BNxCy nanotubes according to the Fibonacci sequence. We studied armchair and zigzag nanotubes of varying diameters. Our results demonstrate that the energy gap oscillates as a function of the n-generation index of the Fibonacci sequence. Moreover, we show that the choice of the BNNTs and CNTs may lead to a quasiperiodic BNxCy nanotube presenting an adjustable energy gap. We obtained a variety of quasiperiodic nanotubes with energy gaps ranging from 0.29 eV to 1.06 eV, which may be of interest for specific technological applications. Finally, it is also demonstrated that the specific heat of the quasiperiodic zigzag and armchair nanotubes presents an oscillatory behavior in the low temperature regime, and that this behavior depends on the curvature of the nanotube	pt_BR
dc.identifier.citation	FREITAS, A.; BEZERRA, C.G.; AZEVEDO, S.; MACHADO, L.D.; PEDREIRA, D.O.. Bandgap oscillation in quasiperiodic (BN)xCy nanotubes. Solid State Communications., v. 248, p. 32-42, 2016. Disponível em: https://www.sciencedirect.com/science/article/pii/S0038109816302344?via%3Dihub. Acesso em: 06 jul. 2020. https://doi.org/10.1016/j.ssc.2016.09.004	pt_BR
dc.identifier.doi	10.1016/j.ssc.2016.09.004
dc.identifier.issn	0038-1098
dc.identifier.uri	https://repositorio.ufrn.br/jspui/handle/123456789/29475
dc.language	en	pt_BR
dc.publisher	Elsevier	pt_BR
dc.rights	Attribution 3.0 Brazil	*
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/br/	*
dc.subject	Nanotubes	pt_BR
dc.subject	Bandgap oscillation	pt_BR
dc.title	Bandgap oscillation in quasiperiodic (BN)xCy nanotubes	pt_BR
dc.type	article	pt_BR