@Article{CastroPCGSFRAO:2016:SyStTr,
author = "Castro, S. de and Peres, M. L. and Chitta, V. A. and Gratens, X.
and Soares, D. A. W. and Fornari, Celso Israel and Rappl, Paulo
Henrique de Oliveira and Abramof, Eduardo and Oliveira Junior, N.
F.",
affiliation = "{Universidade Federal de Itajub{\'a} (UNIFEI)} and {Universidade
Federal de Itajub{\'a} (UNIFEI)} and {Universidade de S{\~a}o
Paulo (USP)} and {Universidade de S{\~a}o Paulo (USP)} and
{Universidade Federal de Itajub{\'a} (UNIFEI)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {Universidade de S{\~a}o Paulo (USP)}",
title = "Systematic study of transport via surface and bulk states in
Bi2Te3 topological insulator",
journal = "Materials Research Express",
year = "2016",
volume = "3",
number = "7",
pages = "075905",
month = "July",
keywords = "Bi2Te3, Magnetoresistance, Superconductivity, Topological
insulator.",
abstract = "We performed magnetoresistance measurements on Bi2Te3 thin film in
the temperature range of T = 1.2-4.0 Kand for magnetic fields up
to 2 T. The curves exhibited anomalous behavior for temperatures
below 4.0 K. Different temperature intervals revealed electrical
transport through different conductive channels with clear
signatures of weak antilocalization. The magnetoresistance curves
were explained using the Hikami-Larkin-Nagaoka model and the 2D
Dirac modified model. The comparison between the parameters
obtained from the two models revealed the transport via
topological surface states and bulk states. In addition, a
superconductive like transition is observed for the lowest
temperatures and we suggest that this effect can be originated
from the misfit dislocations caused by strain, giving rise to a
superconductive channel between the interface of the film and the
substrate.",
doi = "10.1088/2053-1591/3/7/075905",
url = "http://dx.doi.org/10.1088/2053-1591/3/7/075905",
issn = "2053-1591",
language = "en",
urlaccessdate = "04 maio 2024"
}