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  • Portugal

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Ultra-high-accuracy X-ray spectroscopy of transition metal oxides and rare earths X-ray metrology of complex quantum systems

  • 354 Citations
  • 10 h-Index
20122020

Research output per year

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Research Output at NOVA

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2019

Assessment of Toxic Metals and Hazardous Substances in Tattoo Inks Using Sy-XRF, AAS, and Raman Spectroscopy

Manso, M., Pessanha, S., Guerra, M., Reinholz, U., Afonso, C., Radtke, M., Lourenço, H., Carvalho, M. L. & Buzanich, A. G., 1 Feb 2019, In : Biological Trace Element Research. 187, 2, p. 596-601 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Diagram, valence-to-core, and hypersatellite Kβ X-ray transitions in metallic chromium

Zeeshan, F., Hoszowska, J., Dousse, J. C., Sokaras, D., Weng, T. C., Alonso-Mori, R., Kavčič, M., Guerra, M., Sampaio, J. M., Parente, F., Indelicato, P., Marques, J. P. & Santos, J. P., 1 Jan 2019, In : X-Ray Spectrometry. 48, 5, p. 351-359

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
7 Citations (Scopus)

Precise x-ray energies of gadolinium determined by a combined experimental and theoretical approach

Ménesguen, Y., Lépy, M. C., Ito, Y., Yamashita, M., Fukushima, S., Polasik, M., Słabkowska, K., Syrocki, Wȩder, E., Indelicato, P., Marques, J. P., Sampaio, J. M., Guerra, M., Parente, F. & Santos, J. P., 1 Oct 2019, In : Journal of Quantitative Spectroscopy and Radiative Transfer. 236, 106585.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Relativistic electron impact ionization cross sections of carbon ions and application to an optically thin plasma

De Avillez, M. A., Guerra, M., Santos, J. P. & Breitschwerdt, D., 1 Nov 2019, In : Astronomy and Astrophysics. 631, A42.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)
2018

Experimental and theoretical determination of the L-fluorescence yields of bismuth

Ménesguen, Y., Lépy, M. C., Sampaio, J. M., Marques, J. P., Parente, F. P., Guerra, M., Indelicato, P. & Santos, J. P., 26 Jul 2018, In : Metrologia. 55, 5, p. 621-630 10 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)
6 Citations (Scopus)

High-precision measurements of n=2→n=1 transition energies and level widths in He-and Be-like argon ions

Machado, J., Szabo, C. I., Santos, J. P., Amaro, P., Guerra, M., Gumberidze, A., Bian, G., Isac, J. M. & Indelicato, P., 26 Mar 2018, In : Physical Review A. 97, 3, 032517.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
1 Downloads (Pure)
8 Citations (Scopus)

SELENIUM BIOFORTIFICATION OF RICE THROUGH FOLIAR APPLICATION WITH SELENITE AND SELENATE

Lidon, F. C., Oliveira, K., Galhano, C., Guerra, M., Ribeiro, M. M., Pelica, J., Pataco, I., Ramalho, J. C., Leitão, A. E., Almeida, A. S., Campos, P. S., Ribeiro-Barros, A. I., Pais, I. P., Silva, M. M., Carvalho, M. L., Santos, J. P., Pessoa, M. F. & Reboredo, F. H., 19 Apr 2018, (Accepted/In press) In : Experimental Agriculture. p. 1-15 15 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Simultaneous Zinc and selenium biofortification in rice. Accumulation, localization and implications on the overall mineral content of the flour

Mangueze, A. V. D. J., Pessoa, M. F. G., Silva, M. J., Ndayiragije, A., Magaia, H. E., Cossa, V. S. I., Reboredo, F. H., Carvalho, M. L., Santos, J. P., Guerra, M., Ribeiro-Barros, A. I., Lidon, F. C. & Ramalho, J. C., 1 Jul 2018, In : Journal of Cereal Science. 82, p. 34-41 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Structure of high-resolution Kβ1,3 x-ray emission spectra for the elements from Ca to Ge

Ito, Y., Tochio, T., Yamashita, M., Fukushima, S., Vlaicu, A. M., Syrocki, Słabkowska, K., Weder, E., Polasik, M., Sawicka, K., Indelicato, P., Marques, J. P., Sampaio, J. M., Guerra, M., Santos, J. P. & Parente, F., 11 May 2018, In : Physical Review A. 97, 5, 052505.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Theoretical and experimental determination of K - And L -shell x-ray relaxation parameters in Ni

Guerra, M., Sampaio, J. M., Parente, F., Indelicato, P., Hönicke, P., Müller, M., Beckhoff, B., Marques, J. P. & Santos, J. P., 9 Apr 2018, In : Physical Review A. 97, 4, 042501.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
39 Downloads (Pure)
2017

Relativistic calculations of screening parameters and atomic radii of neutral atoms

Guerra, M., Amaro, P., Santos, J. P. & Indelicato, P., 1 Sep 2017, In : Atomic Data And Nuclear Data Tables. 117-118, p. 439-457 19 p.

Research output: Contribution to journalArticle

File
9 Citations (Scopus)
32 Downloads (Pure)
2016
Open Access
File
3 Citations (Scopus)
13 Downloads (Pure)

Possibilities of low-power X-ray fluorescence spectrometry methods for rapid multielemental analysis and imaging of vegetal foodstuffs

Gallardo, H., Queralt, I., Tapias, J., Guerra, M., Carvalho, M. L. & Marguí, E., 1 Jul 2016, In : Journal of Food Composition and Analysis. 50, p. 1-9 9 p.

Research output: Contribution to journalArticle

File
22 Citations (Scopus)
11 Downloads (Pure)
Open Access
5 Citations (Scopus)
2015

A multi-analytical approach to gold in Ancient Egypt: Studies on provenance and corrosion

Tissot, I., Troalen, L. G., Manso, M., Ponting, M., Radtke, M., Reinholz, U., Barreiros, M. A., Shaw, I., Carvalho, M. L. & Guerra, M. F., 1 Jun 2015, In : Spectrochimica Acta - Part B Atomic Spectroscopy. 108, p. 75-82 8 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)
3 Citations (Scopus)

Micro-Analytical Study of a Rare Papier-Mâché Sculpture

Manso, M., Bidarra, A., Longelin, S., Pessanha, S., Ferreira, A., Guerra, M., Coroado, J. & Carvalho, L., 20 Jun 2015, In : Microscopy and Microanalysis. 21, 1, p. 56-62 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
14 Citations (Scopus)
2014

A vacuum double-crystal spectrometer for reference-free X-ray spectroscopy of highly charged ions

Amaro, P., Szabo, C. I., Schlesser, S., Gumberidze, A., Kessler, E. G., Henins, A., Le Bigot, E. O., Trassinelli, M., Isac, J. M., Travers, P., Guerra, M., Santos, J. P. & Indelicato, P., May 2014, In : Radiation Physics and Chemistry. 98, p. 132-149 18 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2013

Absolute measurements and simulations of x-ray line energies of highly charged ions with a double-crystal spectrometer

Amaro, P., Schlesser, S., Guerra, M., Le Bigot, E. O., Santos, J. P. M. D., Szabo, C. I., Gumberidze, A. & Indelicato, P., 1 Jan 2013, In : Physica Scripta. T156, NA, 014104.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Analysis of the charge state distribution in an ECRIS Ar plasma using high-resolution x-ray spectra

Guerra, M., Amaro, P., Szabo, C. I., Gumberidze, A., Indelicato, P. & Santos, J. P., 28 Mar 2013, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 46, 6, 065701.

Research output: Contribution to journalArticle

8 Citations (Scopus)
22 Citations (Scopus)
2012

Absolute measurement of the relativistic magnetic dipole transition energy in heliumlike argon

Amaro, P., Schlesser, S., Guerra, M., Le Bigot, E. O., Isac, J. M., Travers, P., Santos, J. P., Szabo, C. I., Gumberidze, A. & Indelicato, P., 27 Jul 2012, In : Physical Review Letters. 109, 4, 043005.

Research output: Contribution to journalArticle

Open Access
34 Citations (Scopus)