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Efeitos eletrônicos, elásticos e estruturais em sistemas semicondutores nanoscópicos
(Universidade Federal de São Carlos, 2012-02-16)
The present work aims the study of electronic, elastic and structural properties of a whole class of nanoscopic semiconductors systems, which include quasi-two-dimensional, one-dimensional and zero-dimensional confined ...
Vidros: sólidos ou líquidos? Uma análise via simulação computacional
(Universidade Federal de São Carlos, 2019-10-10)
For many centuries there were different definitions of what glass would be, this discussion
persists to current days. Is glass a solid or liquid material? In this work, we answer this question
through computational ...
Imageamento magneto-ótico quantitativo em filmes finos supercondutores bicamada e com gradiente nanométrico de espessura
(Universidade Federal de São Carlos, 2019-12-11)
Vortex matter in superconductors has been the focus of research of both theoretical and experimental groups around the world.
When developing superconducting devices patterned on thin films one should bear in mind that ...
Eletrocerâmicas de BNBK dopadas com tântalo: processamento, fenomenologia e propriedades de armazenamento de energia
(Universidade Federal de São Carlos, 2019-03-29)
Global energy demand for high energy storage capability materials associated with the search for lead-free electroceramic materials with suitable properties for applications has become the major topic in functional materials ...
Processamento convencional e assistido por campo elétrico (Flash Sintering) de cerâmicas livres de chumbo baseadas em K0,5Na0,5NbO3: propriedades físicas finais
(Universidade Federal de São Carlos, 2020-08-07)
K0,5Na0,5NbO3 (KNN)-based ceramics are considered promising candidates to replace lead-based piezoelectric ceramics, such as Pb(ZrxTi1−x)O3, which are widely used in electro electronic devices. However, obtaining KNN-based ...
Modelo de Anderson com repulsão coulombiana nos níveis que se acoplam com o ponto quântico
(Universidade Federal de São Carlos, 2019-12-20)
In this work, a study of the Anderson model is done for the case of a quantum dot between
two electron gases, single-electron transistor (SET), where a Coulombian repulsion term
was added at the orbitals that are directly ...