Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Rafael S. Freitas"'
Autor:
Renata V. Santos, Gabriel A. Cabrera-Pasca, Cleidilane S. Costa, Brianna Bosch-Santos, Larissa Otubo, Luciano F. D. Pereira, Bruno S. Correa, Fernando B. Effenberger, Anastasia Burimova, Rafael S. Freitas, Artur W. Carbonari
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Abstract We herein report a comprehensive investigation on the magnetic, structural, and electric properties of CoO nanoparticles with different sizes by local inspection through hyperfine interactions measured in a wide range of temperatures (10–6
Externí odkaz:
https://doaj.org/article/55d4cc7dcd2845d6988217e8237611fd
Autor:
Christian O. Martins, Leticia K. Sebastiany, Alejandro Lopez-Castillo, Rafael S. Freitas, Leandro H. Andrade, Henrique E. Toma, Caterina G. C. Marques Netto
Publikováno v:
Molecules, Vol 28, Iss 4, p 1659 (2023)
Urease is an enzyme containing a dinuclear nickel active center responsible for the hydrolysis of urea into carbon dioxide and ammonia. Interestingly, inorganic models of urease are unable to mimic its mechanism despite their similarities to the enzy
Externí odkaz:
https://doaj.org/article/5d9634fca3a342e0b19380213a97c612
Autor:
Ana-Kesia F. Vidal, Rogério F. Daher, Rafael S. Freitas, Wanessa F. Stida, Francisco-José da S. Lédo, Verônica B. da Silva, Geovana C. Entringer, Flávio D. Tardin, Geraldo de A. Gravina, Marcelo Vivas, Alexandre G. de Souza, Moisés Ambrósio, Josefa-Grasiela da S. Santana, João E.C. Farias
Publikováno v:
Chilean journal of agricultural research. 82:78-87
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a058c055b95fce46e7bd69e57d0d54c7
https://doi.org/10.4067/s0718-58392022000100078
https://doi.org/10.4067/s0718-58392022000100078
Autor:
Cleidilane Sena Costa, B. Bosch-Santos, L. F. D. Pereira, Artur W. Carbonari, Fernando Bacci Effenberger, Renata V. Santos, Anastasia Burimova, B.S. Correa, Gabriel A. Cabrera-Pasca, Rafael S. Freitas, Larissa Otubo
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Scientific Reports
Scientific Reports
We herein report a comprehensive investigation on the magnetic, structural, and electric properties of CoO nanoparticles with different sizes by local inspection through hyperfine interactions measured in a wide range of temperatures (10–670 K) by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89ed8351c873f301e640d3b446448dc0
https://doi.org/10.1038/s41598-021-99810-y
https://doi.org/10.1038/s41598-021-99810-y
Autor:
Ivica Živković, Catalina Salazar Mejia, Luc Testa, Rafael S. Freitas, Minki Jeong, Christopher Baines, Johannes Reuther, Pascal Manuel, Nagabhushan G. Hegde, J. Wosnitza, Virgile Favre, Oksana Zaharko, Peter J. Baker, Yixi Su, Hubertus Luetkens, Harald Olaf Jeschke, Vincent Noculak, Arnaud Magrez, Henrik M. Rønnow, Bhupen Dabholkar, Yasir Iqbal, P. Babkevich
Publikováno v:
Physical Review Letters. 127
Quantum spin liquids are exotic states of matter that form when strongly frustrated magnetic interactions induce a highly entangled quantum paramagnet far below the energy scale of the magnetic interactions. Three-dimensional cases are especially cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e380103e2a3932beba39fb40391653be
https://doi.org/10.1103/physrevlett.127.157204
https://doi.org/10.1103/physrevlett.127.157204
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Through a combination of experimental and theoretical techniques, we study the spin-1 field-induced antiferromagnet NiCl2–4SC(NH2)2, (DTN). Specifically, we use magnetic susceptibility and specific heat measurements, combined with Quantum Monte-Car
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ba486a540baa8196162261272df676a
Autor:
Rafael Henrique Holanda Pinto, Raul Nunes de Carvalho Junior, B.S. Correa, Artur W. Carbonari, M. S. Costa, E. L. Correa, Gabriel A. Cabrera-Pasca, C. Sena, L. Ishida, Izabela T. Matos, Ana Paula de Souza e Silva, Rafael S. Freitas, Jonathan Gustavo Acosta Ramón, Mitiko Saiki
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The enhancement of nanoparticle’s magnetic properties with a suitable coating is the main tool to increase their potential as an effective candidate for applications in different areas, especially in biomedicine. In the work here reported, Fe3O4 na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::447fb71c35a10ecab34e472d9ced770f
https://doi.org/10.1007/s11051-020-4761-5
https://doi.org/10.1007/s11051-020-4761-5
Autor:
Zhixia Li, Rafael S. Freitas, Luiz F. O. Faria, Mauro C. C. Ribeiro, Vitor H. Paschoal, Thamires A. Lima, Madhusudan Tyagi
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The intermolecular dynamics in the THz frequency range of the ionic liquids n-butyl-trimethylammonium bis(trifluoromethanesulfonyl)imide, [N1114][NTf2], and methyl-tributylammonium bis(trifluoromethanesulfonyl)imide, [N1444][NTf2], were investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d221498dafbe8988ad5a7637171f759
Autor:
Fabio Furlan Ferreira, Thamires A. Lima, Rafael S. Freitas, Luiz F. O. Faria, Mauro C. C. Ribeiro, Vitor H. Paschoal
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
A local order-disorder transition has been disclosed in the thermophysical behavior of the ionic liquid 1-benzyl-3-methylimidazolium dicyanamide, [Bzmim][N(CN)2], and its microscopic nature revealed by spectroscopic techniques. Differential scanning
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18f07c3180d4784d66b812a056b8bad7
https://doi.org/10.1021/acs.jpcb.7b08829
https://doi.org/10.1021/acs.jpcb.7b08829
Autor:
Thiago M. Paixão, Alberto F. De Souza, Thiago C. dos Santos, Rafael S. Freitas, Claudine Badue, Rodrigo F. Berriel
Publikováno v:
Anais do XVI Encontro Nacional de Inteligência Artificial e Computacional (ENIAC 2019).
Artificial intelligence advances have an important role on self-driving cars development, such as assisting the recognition of traffic lights. However, when relying on images of the scene alone, little progress was observed on selecting the traffic l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::608d472455d9cde801019210b2c138a4
https://doi.org/10.5753/eniac.2019.9306
https://doi.org/10.5753/eniac.2019.9306