Výsledky vyhledávání - "Rute A. Sá Ferreira"

Akademický článek

Coordenação local do Eu(III) em híbridos orgânicos/inorgânicos emissores de luz branca Eu(III) local coordination in white light emitters organic-inorganic hybrids

Autor: Luís D. Carlos, Rute A. Sá Ferreira, Verónica de Zéa Bermudez, Luciano A. Bueno, Celso Molina, Younes Messaddeq, Sidney J. L. Ribeiro

Publikováno v: Química Nova, Vol 24, Iss 4, Pp 453-459 (2001)

Eu3+ luminescence and EXAFS (Extended X-ray Absorption Fine Structure) results are presented for organic-inorganic hybrid gel hosts composed of a siliceous network to which small chains of oxyethylene units are covalently grafted by means of urea bri

Externí odkaz: https://doaj.org/article/01a2e30817334512bbf2b4fb60ea1f44

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Akademický článek

Random bit sequence generation from speckle patterns produced with multimode waveguides

Autor: Lília Maria Santos Dias, Tiago Filipe Santos Silvério, Rute Amorim Sá Ferreira, Paulo Sérgio deBrito André

Publikováno v: IET Optoelectronics, Vol 16, Iss 4, Pp 174-178 (2022)

Abstract With the rapid development of digital ecosystems, such as mobile applications towards goods/monetary transactions, a new paradigm of data transfer arises, which requires fast and reliable algorithms to generate random numbers. The statistica

Externí odkaz: https://doaj.org/article/1a3b2574bc7c476dad3c4222d1235b7c

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