Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Marcelo Rizzo Piton"'
Autor:
Emilija Petronijevic, Alessandro Belardini, Grigore Leahu, Teemu Hakkarainen, Marcelo Rizzo Piton, Eero Koivusalo, Concita Sibilia
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Hybridization of semiconductor nanostructures with asymmetric metallic layers offers new paths to circular polarization control and chiral properties. Here we study, both experimentally and numerically, chiral properties of GaAs-based nanowi
Externí odkaz:
https://doaj.org/article/e77d0d3d16d54092a33db82472976cb0
Autor:
Marcelo Rizzo Piton, Teemu Hakkarainen, Joonas Hilska, Eero Koivusalo, Donald Lupo, Helder Vinicius Avanço Galeti, Yara Galvão Gobato, Mircea Guina
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-7 (2019)
Abstract The performance of Ohmic contacts applied to semiconductor nanowires (NWs) is an important aspect for enabling their use in electronic or optoelectronic devices. Due to the small dimensions and specific surface orientation of NWs, the standa
Externí odkaz:
https://doaj.org/article/f5a3ec259f604fb490c08b3066b39099
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-2 (2021)
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Externí odkaz:
https://doaj.org/article/f8ef55f94e264dd7ac35d9c464ba4e25
Autor:
Alessandro Belardini, Grigore Leahu, Emilija Petronijevic, Teemu Hakkarainen, Eero Koivusalo, Marcelo Rizzo Piton, Soile Talmila, Mircea Guina, Concita Sibilia
Publikováno v:
Micromachines, Vol 11, Iss 2, p 225 (2020)
Optical circular dichroism (CD) is an important phenomenon in nanophotonics, that addresses top level applications such as circular polarized photon generation in optics, enantiomeric recognition in biophotonics and so on. Chiral nanostructures can l
Externí odkaz:
https://doaj.org/article/d2ee7b84975c495b87ceea0a2303b7c6
Autor:
Marcelo Rizzo Piton
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Amostras nanoestruturadas do sistema SrTi1-xMnxO3 (STM) com x = 0%, 0.5%, 1%, 2.5%, 5% e 10% na forma de pó foram sintetizadas através do método dos precursores poliméricos. As propriedades térmicas, estruturais e ópticas das amostras STM calci
Autor:
Capucine Tong, Thomas Bidaud, Eero Koivusalo, Marcelo Rizzo Piton, Mircea Guina, Helder Vinicius Avanço Galeti, Yara Galvão Gobato, Andrea Cattoni, Teemu Hakkarainen, Stéphane Collin
Publikováno v:
Nanotechnology. 33(18)
Cathodoluminescence mapping is used as a contactless method to probe the electron concentration gradient of Te-doped GaAs nanowires. The room temperature and low temperature (10 K) cathodoluminescence analysis method previously developed for GaAs:Si
Autor:
Fahad S. Alghamdi, Yara Galvão Gobato, Marcelo Rizzo Piton, Abdulrahman M. Albadri, Maryam Al Huwayz, Khalid M. Aljaber, Faisal S. Al mashary, Mohamed Henini, Ahmed Y. Alyamani, Hamad Albrithen, H. V. A. Galeti, Noor Al Saqri, Suelen de Castro, Sami A. Alhusaini, Arlon Fernando da Silva, Jorlandio F. Felix, Ali Z. Alanazi, Ariano De Giovanni Rodrigues
Publikováno v:
Journal of Alloys and Compounds. 766:194-203
We have investigated the effect of the growth techniques on the structural, the electrically and optically active defects in Indium doped TiO2 thin films grown by pulsed laser deposition (PLD) and sputtering techniques. X-ray diffraction (XRD) and Ra
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-2 (2021)
Scientific Reports
Scientific Reports
Chiral optical response is an inherent property of molecules and nanostructures, which cannot be superimposed on their mirror images. In specific cases, optical chirality can be observed also for symmetric structures. This so-called extrinsic chirali
Autor:
Donald Lupo, Edson R. Leite, Eero Koivusalo, Yara Galvão Gobato, Vladimir G. Dubrovskii, Marcelo Rizzo Piton, Mircea Guina, H. V. A. Galeti, Elisabetta Maria Fiordaliso, Jefferson Bettini, Ariano De Giovanni Rodrigues, Egor D. Leshchenko, Teemu Hakkarainen, PM Paul Koenraad, Sebastian Koelling
Publikováno v:
Hakkarainen, T, Piton, M R, Fiordaliso, E M, Leshchenko, E D, Koelling, S, Bettini, J, Avanco Galeti, H V, Koivusalo, E, Gobato, Y G, Rodrigues, A D G, Lupo, D, Koenraad, P M, Leite, E R, Dubrovskii, V G & Guina, M 2019, ' Te incorporation and activation as n-type dopant in self-catalyzed GaAs nanowires ', Physical Review Materials, vol. 3, no. 8, 086001 . https://doi.org/10.1103/PhysRevMaterials.3.086001
Physical Review Materials, 3(8):086001. American Physical Society
Physical Review Materials, 3(8):086001. American Physical Society
Dopant atoms can be incorporated into nanowires either via the vapor-liquid-solid mechanism through the catalyst droplet or by the vapor-solid growth on the sidewalls. Si is a typical n-type dopant for GaAs, but in nanowires it often suffers from a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::477253aa10634f113cbc65cdae2281e4
https://trepo.tuni.fi/handle/10024/127022
https://trepo.tuni.fi/handle/10024/127022
Autor:
Teemu Hakkarainen, Marcelo Rizzo Piton, Alessandro Belardini, Eero Koivusalo, Emilija Petronijevic, Concita Sibilia, Soile Soumalainen, Joel T. Collins, Ventsislav K. Valev, Mircea Guina, David C. Hooper
Publikováno v:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
The light interacting on asymmetric nanostructures can give rise to the phenomenon called extrinsic chirality [1–3], even if the nanostructures are not chiral by themselves. In this cases, light can be manipulated in order to obtain interesting beh