Browsing by Author Grave, Eddy De

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Issue DateTitleAuthor(s)
199657Fe Mössbauer effect study of Al-substituted lepidocrocites.Grave, Eddy De; Costa, Geraldo Magela da; Bowen, L. H.; Schwertmann, U.; Vandenberghe, Robert Emile
2001About the Morin transition in hematite in relation with particle size and aluminum substitution.Vandenberghe, Robert Emile; San, E. Van; Grave, Eddy De; Costa, Geraldo Magela da
2002Al hematites prepared by homogeneous precipitation of oxinates : material characterization and determination of the Morin transition.Costa, Geraldo Magela da; San, E. Van; Grave, Eddy De; Vandenberghe, Robert Emile; Barrón, Vidal; Datas, L.
1998Characterisation of soil-oxide analogs by applied-field 57Fe Mossbauer spectroscopy.Grave, Eddy De; Costa, Geraldo Magela da; Bowen, L. H.; Barrero, C. A.; Vandenberghe, Robert Emile
1998Characterization of soil-oxide analogues by applied-field Mossbauer spectroscopy.Grave, Eddy De; Costa, Geraldo Magela da; Bowen, L. H.; Barrero, C. A.; Vandenberghe, Robert Emile
2005Chemical reduction of hematite by sodium borohydride.Resende, Valdirene Gonzaga de; Costa, Geraldo Magela da; Grave, Eddy De; Dantas, Lucien
2016Coprecipitation of aluminum goethite and amorphous Al-hydroxy-sulfate using urea and characterization of the thermal decomposition products.Costa, Geraldo Magela da; Grave, Eddy De
2018Defciency of water molecules in the crystallographic structure of vauxite.Alboom, Antoine Van; Costa, Geraldo Magela da; Grave, Eddy De
2006Effect of heat treatment on tourmaline from Brazil.Castañeda, Cristiane; Eeckhout, Sigrid G.; Costa, Geraldo Magela da; Botelho, Nilson Francisquini; Grave, Eddy De
1995Influence of nonstoichiometry and the presence of maghemite on the Mössbauer spectrum of magnetite.Costa, Geraldo Magela da; Grave, Eddy De; Bakker, P. M. A. de; Vandenberghe, Robert Emile
2007Influence of the borohydride concentration on the composition of the amorphous Fe–B alloy produced by chemical reduction of synthetic, nano-sized iron oxide particles Part II. Goethite.Resende, Valdirene Gonzaga de; Grave, Eddy De; Costa, Geraldo Magela da; Janssens, J.
1998Iron oxides in a soil developed from basalt.Goulart, Antonio Taranto; Fabris, José Domingos; Jesus Filho, M. F. de; Coey, J. M. D.; Costa, Geraldo Magela da; Grave, Eddy De
2013Low-temperature Mossbauer study of heterosite, (Fe, Mn)PO4.Grave, Eddy De; Costa, Geraldo Magela da; Alboom, Antoine Van; Vandenberghe, Robert Emile
2012Measurements of natural radioactivity and Mössbauer Effect in some soil samples collected from the new campus of Taif University, Saudi Arabia.Ahmed, M. A.; Sharshar, T.; Hassan, H. E.; Costa, Geraldo Magela da; Grave, Eddy De
2000Mossbauer characterization of iron oxides and (oxy)hydroxides : the present state of the art.Vandenberghe, Robert Emile; Barrero, C. A.; Costa, Geraldo Magela da; San, E. Van; Grave, Eddy De
1998Mossbauer studies of magnetite and Al-substituted maghemites.Costa, Geraldo Magela da; Grave, Eddy De; Vandenberghe, Robert Emile
2015Mössbauer spectroscopic study of natural eosphorite, [(Mn,Fe)AlPO4(OH)2H2O].Alboom, Antoine Van; Resende, Valdirene Gonzaga de; Costa, Geraldo Magela da; Grave, Eddy De
1994Mössbauer studies of nano-sized aluminum-substituted maghemites.Costa, Geraldo Magela da; Grave, Eddy De; Bryan, A. M.; Bowen, L. H.
2006Production of amorphous Fe–B alloy and a-Fe by chemical reduction of hematite using sodium borohydride.Resende, Valdirene Gonzaga de; Costa, Geraldo Magela da; Grave, Eddy De; Dantas, Lucien
2002Spectroscopic studies of spessartine from Brazilian pegmatites.Eeckhout, Sigrid G.; Castañeda, Cristiane; Ferreira, Ana Claudia Mousinho; Sabioni, Antônio Claret Soares; Grave, Eddy De; Vasconcelos, Daniela Cordeiro Leite