Percorrer por autor Veiga, João Pedro

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DataTítuloAutor(es)TipoAcesso
Jan-2012An approach to the binding state of indium in natural chalcogenides through the analysis of In L3 edge XANES spectraSilva, Teresa Pereira; Oliveira, Daniel P. S.; Veiga, João Pedro; Rosa, Diogo R. N.; Figueiredo, M. OndinaconferenceObjectopenAccess
Jun-2010An X-ray spectrometry and absorption spectroscopy study of blue-and-white glazes from ancient Chinese porcelains [Abstract]Figueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
Jan-2012Ancient Chinese blue-and-white porcelain glazes : can we measure the oxidation state of cobalt through X-ray absorption spectroscopy?Figueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
2009Ancient glazed ceramic tiles : a long-term, study from the remediation of environmental impacts to the non-destructive characterization of materialsFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
2010Blue pigments in XVI-XVII century glazes : a comparative study between portuguese faiences and chinese porcelainsFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João Pedro; Prudêncio, Maria Isabel; Dias, Maria Isabel; Matos, M. A.; Pais, A. M.conferenceObjectopenAccess
Ago-2009Blue pigments in XVI-XVII century glazes : a comparative study between portuguese faiences and contemporary chinese porcelains manufactured for portuguese marketFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João Pedro; Prudêncio, M. Isabel; Dias, M. Isabel; Matos, Maria Antónia; Pais, Alexandre ManuelconferenceObjectopenAccess
2012Chromophore 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 studiesFigueiredo, M. Ondina; Veiga, João Pedro; Silva, Teresa PereiraarticleopenAccess
Out-2011Datação, autenticidade, materiais e pigmentos. Estudos laboratoriais sobre faiança portuguesa e porcelana chinesa produzida para o mercado português, séculos XVI a XVIIIDias, M. I.; Figueiredo, M. Ondina; Matos, M. Antónia; Pais, A.; Prudêncio, Maria Isabel; Silva, Teresa Pereira; Burbidge, Christopher Ian; Rodrigues, A. L.; Veiga, João PedroconferenceObjectopenAccess
Jun-2012Inferring the formal oxidation state of 3d metal ions from K-edge XANES spectra : how far can we go for cobalt in ancient chinese porcelain glazes?Figueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
Mai-2012Lead in jarosite : an X-ray absorption spectroscopy approachFigueiredo, M. Ondina; Veiga, João Pedro; Silva, Teresa Pereira; Mirão, José António PauloconferenceObjectopenAccess
Set-2013Molybdenite as a rhenium carrier : first results of a spectroscopic approach using synchrotron radiationSilva, Teresa Pereira; Figueiredo, M. Ondina; Oliveira, Daniel P. S.; Veiga, João Pedro; Batista, Maria JoãoarticleopenAccess
Fev-2011Nanophases in the mineral world : the unique case of ferrihydriteFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
2013Natural nanomaterials : reappraising the elusive structure of the nano-sized mineral ferrihydrite through X-Ray absorption spectroscopy at the iron K-edgeFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroarticleopenAccess
Abr-2011Natural nanomaterials : reaprising the elusive structure of the nanosized mineral ferrihydrite through X-ray absorption spectroscopy at the iron K-edgeFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
2008Oxidation state and coordination of iron in red pre-soils : first results from a Fe K-edge XANES study on regoliths from Santiago Island, Cape VerdeFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João PedroconferenceObjectopenAccess
Jul-2012Rhenium in waste material of the sulphur factory from the S. Domingos abandoned mine (Iberian Pyrite Belt, southern Portugal) : an X-ray absorption spectroscopy approachFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João Pedro; Oliveira, Daniel P. S.; Batista, Maria JoãoconferenceObjectopenAccess
Fev-2013Rhenium incorporation in molybdenite : first results of a XANES studySilva, Teresa Pereira; Figueiredo, M. Ondina; Oliveira, Daniel P. S.; Veiga, João Pedro; Batista, Maria JoãoconferenceObjectopenAccess
Mar-2013Scarce industrial commodities : a glance at the possible rhenium availability in mining residues from the exploitation of Portuguese ore depositsFigueiredo, M. Ondina; Silva, Teresa Pereira; Batista, Maria João; Oliveira, Daniel P. S.; Veiga, João PedroconferenceObjectopenAccess
8-Abr-2014Selenium in wastes from the old mine of São Domingos in southern Portugal (IPB) : already attached to oxygen or retained in relics of former chalcogenide minerals?Figueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João Pedro; Batista, Maria João; Salas-Colera, Eduardo; Oliveira, Daniel P. S.conferenceObjectopenAccess
2014Selenium speciation in waste materials from an exhausted Iberian Pyrite Belt mineFigueiredo, M. Ondina; Silva, Teresa Pereira; Veiga, João Pedro; Batista, Maria João; Salas-Colera, Eduardo; Oliveira, Daniel P. S.articleopenAccess