Browsing by Author Ramos, AY

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Showing results 1 to 11 of 11
PreviewIssue DateTitleAuthor(s)AdvisorType
2003Incorporation of Ni into natural goethite: An investigation by X-ray absorption spectroscopyCarvalho-E-Silva, ML; Ramos, AY; Tolentino, HCN; Enzweiler, J; Netto, SM; Alves, MDCM-Artigo de periódico
2001CsCl-modified Ga2S3-La2S3 glasses: Structural approach by x-ray absorption spectroscopyRamos, AY; Cardona, MG; Tolentino, HCN; Alves, MCM; Watanabe, N; Alves, OL; Barbosa, LC-Artigo de periódico
2005Evolution of Ni local structure in NdNiO3 perovskite across the metal-insulator transitionPiamonteze, C; Tolentino, HCN; Ramos, AY; Massa, NE; Alonso, JA; Martinez-Lopes, MJ; Casais, MT-Artigo de periódico
2005Strong orbital correlations in a Fe-substituted spin-glass-manganiteGranado, E; Urbano, RR; Perez, CA; Azimonte, C; Lynn, JW; Souza, RA; Souza-Neto, NM; Ramos, AY; Bychkov, GL; Shiryaev, SV; Barilo, SN-Artigo de periódico
2005Spin-orbit-induced mixed-spin ground state in RNiO3 perovskites probed by x-ray absorption spectroscopy: Insight into the metal-to-insulator transitionPiamonteze, C; de Groot, FMF; Tolentino, HCN; Ramos, AY; Massa, NE; Alonso, JA; Martinez-Lope, MJ-Artigo de periódico
2000Titanium environment in TiO2-BaO-ZnO-B2O3 glasses by x-ray absorption spectroscopyWatanabe, N; Ramos, AY; Alves, MCM; Tolentino, H; Alves, OL; Barbosa, LC-Artigo de periódico
2005Short-range charge order in RNiO3 perovskites (R=Pr, Nd, Eu, Y) probed by x-ray-absorption spectroscopyPiamonteze, C; Tolentino, HCN; Ramos, AY; Massa, NE; Alonso, JA; Martinez-Lope, MJ; Casais, MT-Artigo de periódico
2005Local structure in strained manganite thin filmsSouza-Neto, NM; Ramos, AY; Tolentino, HCN; Favre-Nicolin, E; Ranno, L-Artigo de periódico
2004Local atomic and electronic structure in LaMnO3 across the orbital ordering transitionSouza, RA; Souza-Neto, NM; Ramos, AY; Tolentino, HCN; Granado, E-Artigo de periódico
2003Local anisotropy in strained manganite thin filmsSouza-Neto, NM; Ramos, AY; Tolentino, HCN; Favre-Nicolin, E; Ranno, L-Artigo de periódico
2001A 2.3 to 25 keV XAS beamline at LNLSTolentino, HCN; Ramos, AY; Alves, MCM; Barrea, RA; Tamura, E; Cezar, JC; Watanabe, N-Artigo de periódico