Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Alejo C. Carreras"'
Publikováno v:
Physical Review A. 102
Fil: Carreras, Alejo Cristian. Universidad Nacional de Cordoba. Facultad de Matematica, Astronomia y Fisica; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Cordoba. Instituto de Fisica E
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72e2eeb0f4c150355f16c7443c0db834
https://doi.org/10.1103/physreva.102.012817
https://doi.org/10.1103/physreva.102.012817
Autor:
V. Galván Josa, S. P. Fernandez Bordín, Rafael G. Oliveira, Alejo C. Carreras, Gustavo Castellano, Heber E. Andrada
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
The structure of Nafion 117 membranes was studied through SAXS experiments and 2D pattern simulations. Measurements were taken for different moisture conditions by synchrotron radiation, and for different temperatures through X-ray tube irradiation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08baa92acd2bd4a0cc0793a627656958
https://doi.org/10.1016/j.polymer.2018.09.014
https://doi.org/10.1016/j.polymer.2018.09.014
Publikováno v:
International Journal of Hydrogen Energy. 43:8936-8943
The dynamics and spatial distribution of water molecules in Nafion 117 membrane has been investigated by 1 H NMR. To this end, 1D and 2D spin-spin (T 2 ) relaxometry experiments were carried out as a function of the relative humidity ranging from 9 t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45c9b3bf7c490ab9d2461029803b5ab7
https://doi.org/10.1016/j.ijhydene.2018.03.124
https://doi.org/10.1016/j.ijhydene.2018.03.124
Autor:
Heber E. Andrada, Santiago P. Fernandez Bordín, Ralf Schweins, Gustavo Castellano, Victor M. Galván Josa, Alejo C. Carreras, Gabriel J. Cuello, Claudia Mondelli
Publikováno v:
Journal of Membrane Science. 636:119559
The use of fuel cells is strategic in the global energy system; their inclusion in eco-cars, avoiding CO 2 emission, represents a crucial enhancement for the environment. For this reason, any improvement in their use and optimization is fundamental f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe4860d78ffefb4e7eea2b51775064ac
https://doi.org/10.1016/j.memsci.2021.119559
https://doi.org/10.1016/j.memsci.2021.119559
Autor:
Marcos Antonio Zen Vasconcellos, A.P.L. Bertol, Ruth Hinrichs, A. Sepúlveda, Jorge Trincavelli, T. Rodríguez, Gustavo Castellano, Alejo C. Carreras, P. D. Pérez
Publikováno v:
Journal of Analytical Atomic Spectrometry. 32:385-392
Fe-L and Ni-L X-ray spectra induced by electron impact were analyzed. The measurements were made on bulk samples using a commercial wavelength dispersive spectrometer, and the spectra were processed with a parameter optimization method previously dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baedaeacf5ae4c4a47f01030bf90f278
https://doi.org/10.1039/c6ja00398b
https://doi.org/10.1039/c6ja00398b
Publikováno v:
Journal of Analytical Atomic Spectrometry. 31:780-789
The emission of X-rays in atomic transitions from L-shell vacancy states of Ru, Ag and Te induced by electron incidence was studied. To this end, L X-ray spectra were measured with a wavelength dispersive spectrometer, and processed by a parameter op
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d15c3602da64cf961832489d1aaa296a
https://doi.org/10.1039/c5ja00498e
https://doi.org/10.1039/c5ja00498e
Publikováno v:
Materials Characterization. 101:40-48
The influence of the amount of complexing agent added to the starting solution on the physicochemical properties of Cu–Ni nanostructured alloys obtained through a chemical route, was studied. For this purpose, three Cu–Ni nanoalloy samples were s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6286fb9baf5f0179574089c9290a950b
https://doi.org/10.1016/j.matchar.2014.12.021
https://doi.org/10.1016/j.matchar.2014.12.021
Autor:
Duclerc Fernandes Parra, Bruno R. Matos, Elisabete I. Santiago, Danilo Justino Carastan, Heber E. Andrada, Fabio C. Fonseca, Jaqueline S. da Silva, Alejo C. Carreras, D.Z. de Florio
Nafion exhibits one of the highest proton conductivity at room temperature and it is the standard electrolyte of proton exchange membrane fuel cells (PEMFC). However, the temperature dependence of ionic conductivity of Nation is highly dependent on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4362b75ee5b1c29f541fa724e4b74e4a
https://www.sciencedirect.com/science/article/pii/S0167273815301569
https://www.sciencedirect.com/science/article/pii/S0167273815301569
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 52:035003
The x-ray emission in atomic decays to M-shell of Hf, Ta, W, Pt and Au induced by electrons was studied. To this purpose, M x-ray spectra were acquired with a wavelength dispersive spectrometer, and processed by a parameter refinement method previous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f39494d0ee80a7741a5edce183beef4
https://doi.org/10.1088/1361-6455/aaf687
https://doi.org/10.1088/1361-6455/aaf687
Autor:
Rita Dominga Bonetto, Victor M. Galván Josa, Jorge Trincavelli, Silvina Paola Limandri, Alejo C. Carreras
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 77:44-51
A method for standardless quantification by parameter optimization in electron probe microanalysis is presented. The method consists in minimizing the quadratic differences between an experimental spectrum and an analytical function proposed to descr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ba79980f3ec8ea0ea30f96b52f409ec
https://doi.org/10.1016/j.sab.2012.08.003
https://doi.org/10.1016/j.sab.2012.08.003