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On the search of new topological insulators

Grant number: 16/12021-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2016
Effective date (End): January 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Adalberto Fazzio
Grantee:Jimena Anahí Olmos Asar
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


The Quantum Spin Hall Effect (QSHE) has become a very interesting area of Condensed Matter Physics, due to the fact that it could change the paradigms of nanoelectronics. The electric current predicted by the QSHE would flow without dissipation. Beside the potential applications in technology, the effect has triggered a completely new research area, called topological insulators. Many of these materials have been predicted by computer simulations before being experimentally synthesized, demonstrating the importance of theoretical calculations in this new area. In this project we intend to study, through first principle calculations, the band properties of different 2D and 3D materials, with the aim of detecting possible new topological insulators. We also pretend to find descriptors for some of the properties of these materials, for a possible systematization in the search within the big-data project. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ANAHI OLMOS-ASAR, JIMENA; LEAO, CEDRIC ROCHA; FAZZIO, ADALBERTO. Band gap tuning of layered III-Te materials. Journal of Applied Physics, v. 124, n. 4 JUL 28 2018. Web of Science Citations: 1.
OLMOS-ASAR, JIMENA A.; LEAO, CEDRIC ROCHA; FAZZIO, ADALBERTO. Novel III-Te-graphene van der Waals heterojunctions for optoelectronic devices. RSC ADVANCES, v. 7, n. 51, p. 32383-32390, 2017. Web of Science Citations: 4.

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