R. Borges, L. Alves, R.J.C. Silva, M.F. Araújo, A. Candeias, V. Corregidor, P. Valério, P. Barrulas (2017) Investigation of surface silver enrichment in ancient high silver alloys by PIXE, EDXRF, LA-ICP-MS and SEM-EDS. Microchemical Journal 131, 103-111.

Pedro Valério, Maria Fátima Araújo, António Manuel Monge Soares; Rui Silva, Lídia Baptista, Rui Mataloto “Early imports in the Late Bronze Age of Southwestern Iberia: the bronze ornaments of the hypogea at Monte da Ramada 1 (Southern Portugal)" Archaeometry (Accepted for publication, Jan 2017).


Elin Figueiredo, Aaron Lackinger, Beatriz Comendador Rey, Rui J.C. Silva, João P. Veiga & José Mirão (2016): An experimental approach for smelting tin ores from Northwestern Iberia, Materials and Manufacturing Processes, DOI: 10.1080/10426914.2016.1244837

V. Debut, M. Carvalho, E. Figueiredo, J. Antunes, R.J.C. Silva (2016). The sound of bronze: virtual resurrection of a broken medieval bell, Journal of Cultural Heritage 19, 544-554.

J. Cruz, E. Figueiredo, V. Corregidor, P.I. Girginova, L.C. Alves, C. Cruz, R.J.C. Silva, I. Liritzis, (2016) First results on Radiometric dating of metals by alfa spectrometry, Microchemical Journal 124, 608-614.

Filipa Pereira, Rui J. C. Silva, António M. Monge Soares, Maria Araújo and João Luís Cardoso, “Metallurgical production from the Chalcolithic settlement of Moita da Ladra, Portugal”, Materials and Manufacturing Processes (doi:10.1080/10426914.2016.1244839/)

Filipa Lopes, Rui J. C. Silva, Maria F. Araújo & Virgílio H. Correia,"Roman situlae from Conimbriga (Portugal) – Compositional and MicrostructuralCharacterization of Anthropomorphic Handle Attachments", Materials and Manufacturing Processes (doi: 10.1080/10426914.2016.1221102)

P. Valério, R. Orestes Vidigal, M. F. Araújo, A. M. M. Soares, R. J. C. Silva and R.Mataloto, “The manufacture of copper weapons and tools from the Chalcolithic settlement of São Pedro (Portugal)”, Materials and Manufacturing Processes (doi:10.1080/10426914.2016.1198030)

J. Loureiro, E. Figueiredo, R.J.C. Silva, M.F. Araújo, J. Fonte, A.M.S. Bettencourt (2016). “Metal alloys, matrix inclusions and manufacturing techniques of Moinhos de Golas collection (North Portugal): a study by Micro-EDXRF, SEM-EDS, optical microscopy and X-ray radiography”, Applied Physics A, 122 (2016), 1-12

P. Valério, A.M.M. Soares, M.F. Araújo, R.J.C. Silva, L. Baptista, "Middle Bronze Age arsenical copper alloys in Southern Portugal" Archaeometry 58 (2016) 1003–1023 (doi 10.1111/arcm.12212)

Elin Figueiredo, Marco A. Stanojev Pereira, Filipa Lopes, José G. Marquesc, Joana P. Santos, M. Fátima Araújo, Rui J.C. Silva, João C. Senna-Martinez, “Investigating Early/Middle Bronze Age copper and bronze axes by micro X-ray fluorescence spectrometry and neutron imaging techniques”, Spectrochimica Acta Part B:  Atomic Spectroscopy 122 (2016) 15–22.

P. Valério, António M. Monge Soares, M. Monteiro, A. Pereira, Maria Fátima Araújo, R.J.C. Silva, “A Compositional and microstructural study of 8th century BC bronzes from Moita da Ladra (Tagus Estuary): how did the spread of the Phoenician metallurgy take place in Western Iberia?”, Archaeometry 58, 4 (2016) 593–609.

M.L. Coutinho, AZ. Miller, M.A. Rogerio-Candelera, J. Mirão, L. Cerqueira Alves, J.P. Veiga, H. Águas, S. Pereira, A. Lyubchyk, M.F. Macedo (2016) An integrated approach for assessing the bioreceptivity of glazed tiles to phototrophic microorganisms. Biofouling, 32 (3), 243-259.

M.L. Coutinho, J.P. Veiga, L.C. Alves, J. Mirão, L. Dias, A.M. Lima, V. S. Muralha, M. F. Macedo (2016) Characterization of the glaze and in-glaze pigments of the 19th century relief tiles from the Pena National Palace, Sintra, Portugal. Applied Physics A 122: 696.

Inês Coutinho, Teresa Medici, Rui J.C. Silva, Bernard Gratuze, Helena Catarino, Augusta Lima, “Gilding on glass: New evidence from a 17th century flask found in Portugal”, Journal of Archaeological Science: Reports 6 (2016) 293–301.


F. Pereira, R.J.C. Silva, A.M. Monge Soares, M.F. Araújo, M.J. Oliveira, R.M.S. Martins, N. Schell, “Effects of long term aging in arsenical copper alloys” Microscopy and Microanalysis 21 (2015) 1413-1419.

B. Comendador, E. Figueiredo, J. Fonte, E. Meunier, The first mining and metallurgy of tin in the Iberian Peninsula: contributions to the state of art. In Mata-Perelló, J.M., Hunt Ortiz, M.A., Orche Garcia, E. (Eds.), Património geológico y mineiro: de la investigación al la difusión. Actas del XV Congreso Internacional sobre Patrimonio Geológico y Minero, Logrosán (Cáceres, España), SEDPGYM y Ayuntamiento de Logrosán, 2015, pp. 21-39. (ISBN 978-84-693-1675-7)

P. Valério, E. Voráčová, R. J. C. Silva, M. F. Araújo, A. M. M. Soares, A. M. Arruda, C. Pereira, “Composition and microstructure of Roman metallic artefacts of Southwestern Iberian Peninsula”, Applied Physics A 121 (2015) 115-122.

P. Valério, R.J.C. Silva, A.M.M. Soares, M.F. Araújo, A.P. Gonçalves, R.M. Soares, “Combining X-ray based methods to study the protohistoric bronze technology in Western Iberia", Nuclear Instruments and Methods in Physics Research B 358 (2015) 117–123.


M.L. Coutinho, V.S.F. Muralha, J. Mirão, J.P. Veiga (2014) Non-destructive characterization of oriental porcelain glazes and blue underglaze pigments using µ-EDXRF, µ-Raman and VP-SEM. Applied Physics A, 114, 695-703.

J. Loureiro, E. Figueiredo, R.J.C. Silva, M.F. Araújo, J. Fonte, A.M.S. Bettencourt (2014) First results of an archaeometallurgical study of a collection from Moinhos de Golas archaeological site (Montalegre, Portugal), Quaternary Studies 11, 59-66 (in portuguese).

Pedro Valério, M. Fátima Araújo and Rui J.C. Silva, "Complementary use of X-ray methods to study ancient production remains and metals from Northern Portugal", X-Ray Spectrometry, 43 (2014) 209-215.

Pedro Valério, António M Monge Soares, M. Fátima Araújo, Rui J C Silva, Eduardo Porfírio, Miguel Serra, “Arsenical copper and bronze in Middle Bronze Age burial sites of Southern Portugal: the first bronzes in Southwestern Iberia”, Journal of Archaeological Science 42 (2014) 68–80.


E. Figueiredo, R.J.C. Silva, M.F. Araújo, F.M. Braz Fernandes (2013), Multifocus optical microscopy applied to the study of archaeological metals, Microscopy and Microanalysis 19, 1248-1254.

E. Figueiredo, M.F. Araújo, R.J.C. Silva, R. Vilaça (2013), Characterisation of a Proto-historic bronze collection by Micro-EDXRF, Nuclear Instruments & Methods in Physics Research B 296, 26-31.

S.S. Gomes, E. Figueiredo, M.F. Araújo, F. Lopes, J.C. Senna-Martinez (2013) Isotopic characterization of archaeological bronzes from Fraga dos Corvos (N Portugal), International Journal of Conservation Science 4, 661-672.

J. Fonte, A.M.S. Bettencourt, E. Figueiredo (2013) Late Bronze Age metallic depositions in the Assureira Valley. The case study of Moinhos de Golas site (Solveira, Montalegre, Northern Portugal), Quaternary Studies 9, 23-32.

Filipa Pereira, Rui J. Silva, António M. Monge Soares, Maria Fátima Araújo, “The role of arsenic in Chalcolithic copper artefacts - insights from Vila Nova de São Pedro (Portugal)”, Journal of Archaeological Science 40 (2013) 2045–2056.

Pedro Valério, António M. Monge Soares, María Fátima Araújo, Rui J. C. Silva, Filipe J. C. Santos, “The distinctive grave goods from Palhais (Beja, Portugal). New insights into the metallurgical evolution under Orientalizing influence in the southwestern end of Iberia”; Trabajos de Prehistoria, 70 (2013) 361-371.

Pedro Valério, António M. Monge Soares, Rui J.C. Silva, Maria Fátima Araújo, Paulo Rebelo, Nuno Neto, Raquel Santos, Tiago Fontes, “Bronze production in Southwestern Iberian Peninsula: the Late Bronze Age metallurgical workshop from Entre Águas 5 (Portugal)”, Journal of Archaeological Science 40 (2013) 439 -451.


M.O. FIGUEIREDO, T.P. SILVA & J.P. VEIGA (2012) A XANES study of cobalt speciation state in blue-and-white glazes from 16th-17th century Chinese porcelains. Journal of Electron Spectroscopy and Related Phenomena 185 (3-4) 97-102.

M.O. FIGUEIREDO, J.P. VEIGA, T.P. SILVA (2012) Chromophore behaviour of iron, copper, cobalt and antimony in ancient tile, faience and porcelain glazes plus archaeological glass beads: an overview on X-ray absorption near-edge spectroscopy studies. 1st Portuguese Meeting of Synchrotron Radiation Users – ENURS, Ciência & Tecnologia dos Materiais 24 (3-4) 124-127.

P. Valério R.J.C. Silva, M.F. Araújo, A.M.M. Soares, L. Barros, “A multianalytical approach to study the Phoenician bronze technology in the Iberian Peninsula – A view from Quinta do Almaraz”, Materials Characterization 67 (2012) 74-82


E. Figueiredo, P. Valério, M.F. Araújo, R.J.C. Silva, A.M. Monge Soares, “Inclusions and metal composition of ancient copper-based artefacts: a diachronic view by Micro-EDXRF and SEM-EDS”, X-Ray Spectrometry  40 (2011) 325-332.

E. Figueiredo, M.F. Araújo, R.J.C. Silva, J.C. Senna-Martinez, J.L. Inês Vaz, “Characterisation of Late Bronze Age large size shield nails by EDXRF, micro-EDXRF and X-ray digital radiography”, Applied Radiation and Isotopes 69 (2011) 1205–1211.


M.O. FIGUEIREDO, T.P. SILVA, J.P. VEIGA (2010) The blue of iron in mineral pigments: a Fe K-edge XANES study of vivianite. Applied Physics A 99 357-361.

M.L. COUTINHO, F. PINA, J.P. VEIGA, N. LEAL (2010) Application of titanium dioxide sol-gel coatings on historic tiles: an approach to prevent biodeterioration. Proceedings of the 6th European Meeting on Solar Chemistry & Photocatalysis: Environmental Applications, Institute of Chemical Technology Prague, 283-284.

E. Figueiredo, R.J.C. Silva, J.C. Senna-Martinez, M.F. Araújo, F.M.B. Fernandes, J.L. Inês Vaz (2010) Smelting and recycling evidences from the Late Bronze Age habitat site of Baiões (Viseu, Portugal), Journal of Archaeological Science 37, 1623-1634.

E. Figueiredo, R.J.C. Silva, M.F. Araújo, J.C. Senna-Martinez (2010) Identification of ancient gilding technology and Late Bronze Age metallurgy by EDXRF, Micro-EDXRF, SEM-EDS and metallographic techniques, Microchimica Acta 168, 283-291.

E. Figueiredo, R.J.C. Silva, F.M.B. Fernandes, M.F. Araújo (2010) Some long term corrosion patterns in archaeological metal artefacts, Materials Science Forum 636-637, 1030-1035.

M.J. Furtado, R.J.C.Silva, M.F. Araújo and F.M. Braz Fernandes, “Composition and microstructures of imperial brass Chinese coins”, Mater. Sci. Forum 636-637 (2010) 531-537.

A.M.M. Soares, P. Valério, R.J.C. Silva, L.C. Alves, M.F. Araújo, “Early Iron Age gold buttons from south-western Portugal. Identification of a gold metallurgical workshop” Trabajos de Prehistoria, 67 (2010), 501-510.

P. Valério, R.J.C. Silva, M.F. Araújo, A.M.M. Soares, F.M. Braz Fernandes,  “Microstructural signatures of bronze archaeological artifacts from the southwestern Iberian Peninsula”, Mater. Sci. Forum, 636-637 (2010) 597-604.

P. Valério, R.J.C. Silva, A.M.M. Soares, M.F. Araújo, F.M. Braz Fernandes, A.C. Silva, L. Berrocal-Rangel, “Technological continuity in Early Iron Age bronze metallurgy at the South-Western Iberian Peninsula – a sight from Castro dos Ratinhos”, Journal of Archaeological Science 37 (2010) 1811-1919.


M.O. FIGUEIREDO, T.P. SILVA, J.P. VEIGA, M.I. PRUDÊNCIO, M.I. DIAS, M.A. MATOS, A.M. PAIS, “Blue pigments in XVI-XVII century glazes: a comparative study between Portuguese faience and contemporary Chinese porcelains manufactured for the Portuguese market”, Symp.3, Archaeological and Art Issues in Materials Science (LASMAC), XVIII Internat. Materials Research Congress, Cancún/México, August 16-21, 2009, CD-ROM (S3-29).

E. Figueiredo, J.C. Senna-Martinez, R.J.C. Silva, M.F. Araújo (2009) Orientalizing Artifacts from Fraga dos Corvos Rock Shelter in North Portugal. Materials and Manufacturing Processes 24, 949-954.

A.A. Melo, E. Figueiredo, M.F. Araújo, J.C. Senna-Martinez (2009) Fibulae from an Iron Age site in Portugal, Materials and Manufacturing Processes 24, 955-959.


J.P. VEIGA, M.O. FIGUEIREDO (2008) A XANES study on the structural role of zinc in ancient tile glazes. X-ray Spectrometry 37(4) 458-461.

J.P. VEIGA, M.O. FIGUEIREDO (2008) Calcium in ancient glazes and glasses: a XAFS study. Applied Physics A 92 229-233.

M.O. FIGUEIREDO, T.P. SILVA, J.P. VEIGA (2008) Analysis of degradation phenomena in ancient, traditional and improved materials of historic monuments. Applied Physics A 92 151-154.

M. LARSSON, J.P. VEIGA (2008) Ming porcelain from the Santa Clara-a-Velha Monastery in Coimbra, Portugal. First results using a portable µ-EDXRF spectrometer. Proceedings of the International Conference on Geoarchaeology and Archaeomineralogy, Edts R.I. Kostov, B. Gaydarska, M. Gurova, pp 134-138.

R.J.C. Silva, E. Figueiredo, M.F. Araújo, F. Pereira, F.M. Braz Fernandes (2008) Microstructure Interpretation of Copper and Bronze Archaeological Artefacts from Portugal, Materials Science Forum 587-588, 365-369.

Rui Borges, Isabel Tissot, Ana Isabel Seruya, Rui J. C. Silva, Sara Fragoso, Belmira Maduro, Alexandre Pais, “Gilding and silvering surface decoration techniques, and copper provenance studies of the tomb of D. Afonso of Portugal (15th century)”, X-Ray Spectrometry 37 (2008) 338-345.

E. Figueiredo, M.F. Araújo, R.J.C. Silva (2008), “Metal studies”, in: F.J. Pina, M.J. Melo and A.Z. Miller, “Conservation sciences and conservation-restoration area in Portugal: a new department”, COALITION, CSIC Thematic Network on Cultural Heritage. Electronic Newsletter 16, 7-15.


E. Figueiredo, P. Valério, M.F. Araújo, J.C. Senna-Martinez (2007) Micro-EDXRF surface analyses of a bronze spear head: Lead content in metal and corrosion layers. Nuclear Instruments & Methods in Physics Research A 580, 725-727.


M.O. FIGUEIREDO, T.P. SILVA, J.P. VEIGA (2006) A XANES study on the structural role of lead in glazes from decorated tiles, XVI to XVIII century manufacture. Applied Physics A 83, 209-211.

M.O. FIGUEIREDO, J.P. VEIGA, J.P. MIRÃO (2006) Modelling the size of red-colouring copper nanoclusters in archaeological glass beads.  Applied Physics A 83 499-502.

J.P. VEIGA, M.O. FIGUEIREDO (2006) Copper blue in an ancient glass bead: a XANES study. Applied Physics A 83 547-550.

E. Figueiredo, M. F. Araújo, R. Silva, F. M. Braz Fernandes, J. C. Senna-Martinez, J. L. Inês Vaz (2006), “Metallographic studies of copper based scraps from the Late Bronze Age Santa Luzia archaeological site (Viseu, Portugal)” – in Heritage, Weathering and Conservation (R. Fort, M.Alvarez de Buergo, M. Gomez-Heras, C. Vazquez-Calvo eds.), vol.I, Taylor and Francis, London, pp. 143-149 (ISBN 0-415-41272-2)

A. Pereira, A. Miller, E. Figueiredo, S. Trindade (2006), “Materials and techniques used in the works of art from Igreja dos Paulistas (Lisbon, Portugal)” – in Heritage, Weathering and Conservation (R. Fort, M. Alvarez de Buergo, M. Gomez-Heras, C. Vazquez-Calvo eds.), vol. II, Taylor and Francis, London, pp. 901-907 (ISBN 0-415-41272-2)


M.O. FIGUEIREDO, J.P. VEIGA, T.P. SILVA, J.P. MIRÃO, S. PASCARELLI (2005) Chemistry versus phase constitution of yellow ancient tile glazes: a non-destructive insight through XAS.  Nuclear Instruments and Methods B 238 134-137.

M.O. FIGUEIREDO, T.P. SILVA, J.P. VEIGA, J. GIRALT, A. ALVAREZ (2005) Contributions of ceramic debris to the chronology of restoration works at water conduits of the Roman Aqueduct of Carthage.  Understanding People Through their Pottery, Proceedings of the 7th European Meeting on Ancient Ceramics (EMAC’3), edts. M.I. Prudêncio, M.I. Dias & J.C. Waerenborgh, Trabalhos de Arqueologia nº 42, 83-87 (ISSN 0871-2581).

M.O. FIGUEIREDO, J.P. VEIGA, T. PEREIRA da SILVA (2005) The Roman Aqueduct of Carthage, Tunisia: old constructions vs. new materials in the preservation of Mediterranean cultural heritage.  EUROCORR 2005, Proceedings of the European Corrosion Congress, CD-ROM, ws4, 10 pp.


M.O. FIGUEIREDO, T. PEREIRA da SILVA, J.P. VEIGA, A.M. DIAS DIOGO, L. TRINDADE (2004) Archaeology of Lisbon Old-city: ceramic crucibles from pre-XVIII century metallurgical foundries. Applied Physics A (Materials Science & Processing) 79 327-329.


J.P. VEIGA, M.O. FIGUEIREDO (2002) 16th century tubular glass beads: non-destructive chemical characterization using synchrotron radiation XRF.  X-Ray Spectrometry 31 300-304.

M.O. FIGUEIREDO, J.P. VEIGA, T. PEREIRA DA SILVA (2002) Ageing of high-lead glazes in XVI-XVII century tiles. Proceedings ART 2002, 7th Internat. Conf. on Non-Destructive Testing and Micro-Analysis for the Diagnostics and Conservation of Cultural and Environmental Heritage, edts. ICR & AIPnD, Antwerp/Belgium, 8 pp (ISBN 0-444-50517-2).


M.O. FIGUEIREDO, J.P. VEIGA, T. PEREIRA DA SILVA (2001) Materials and reconstruction techniques at the Roman Aqueduct of Carthage since the Roman period.  Historical Constructions, Proceedings III Internat. Seminar on Structural Analysis of Historical Constructions, Guimarães/Portugal, edts. P.B. Lourenço & P. Roca, 391-400 (ISBN 972-8692-01-3).


M.O. FIGUEIREDO, J.P. VEIGA, T.P. SILVA, A. ALVAREZ, F. TORRENS, S. KHOSROF, N. FERCHIOU (2000) The Roman aqueduct of Carthage: a minero-chemical study on water conduit mortars and deposited crusts.  Proceedings of the 9th International Congress on Deterioration and Conservation of Stone, Venice/Italy, IVBC, edt. V. Fassina, Elsevier vol. 2, 641-647 (ISBN 0-444-50517-2).

ALVAREZ, A., ARROYO, P., CERRADA, J., ESTRADA, R., GUASCH, N., FIGUEIREDO, M.O., VEIGA, J.P. (2000) Estudios técnicos y científicos previos a una proposta de intervención: el caso del Acueducto de Cartago.  XIII Congreso de Conservación y Restauración de Bienes Culturales, Lleida, Espanha, 18-22 de Outubro de 2000, 301-309.


M.O. FIGUEIREDO, J.P. VEIGA, T. PEREIRA DA SILVA (1999) Non-destructive chemical characterization of cultural materials using synchrotron radiation X-ray fluorescence. Proceedings ART’99, 6th Internat. Conf. on Non-Destructive Testing and Microanalysis for the Diagnostic and Conservation of the Cultural and Environmental Heritage, edts. M. Marabelli & C. Parisi, ICR & AIPnD, Rome/Italy, 1767-1779


J.C. PESSOA, C. BORGES, M.O. FIGUEIREDO, M. MALHOA GOMES, T.P. SILVA, J.P. VEIGA (1997) Monitoring the removal of soluble salts from ancient tiles by ion chromatography. Journal of Chromatography A 770 195-201.

(other publications related with minerals, mine wastes and crystallography listed in LNEG - Laboratório Nacional de Energia e Geologia archive)