http://www.cnr.it/ontology/cnr/individuo/prodotto/ID199792
Mixed Magnesium and Zinc oxides by co-precipitation (Articolo in rivista)
- Type
- Label
- Mixed Magnesium and Zinc oxides by co-precipitation (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1116/11.20071101 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Khairallah F.; Glisenti A.; Galenda A.; Natile M.M. (literal)
- Pagina inizio
- Pagina fine
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- http://avspublications.org/sss/resource/1/ssspen/v19/i1/p13_s1?isAuthorized=no (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1,2 : Università di Padova, Dip. Scienze Chimiche, Via Marzolo 1, 35131 Padova, Italy /
3 : CNR, ICIS, INSTM, Corso Stati Uniti 4, 35127, Padova, Italy /
4 : CNR, ISTM, Dipartimento di Scienze Chimiche, Via Marzolo 1, Padova 35131, Italy (literal)
- Titolo
- Mixed Magnesium and Zinc oxides by co-precipitation (literal)
- Abstract
- Two Zinc-Magnesium Oxide powders were prepared by means of a sol-gel method based on the mixing of nitrates of Mg and Zn, followed by complexation with citric acid. The samples are characterized by a nominal (i.e. calculated from the weighted amount of precursors) Zn/Mg atomic ratio of 0.01 (specimen 1, Accession #1232), and 0.5 (specimen 2, Accession #1233). The surface properties and the influence of the Zn/Mg atomic ratio are investigated by means of XPS (using a standard Al K?). Besides the wide scan spectra, detailed spectra for the Mg 1s, Zn 2p3/2 and O 1s regions and related data are presented and discussed. XP analysis confirms the presence of Mg (II) and Zn (II). The XPS Zn/Mg atomic ratio is always lower than the nominal one; this is particularly evident in specimen 1 (Accession #1232) thus suggesting a certain surface segregation of magnesium. The O/(Mg + Zn) atomic ratio is higher than the nominal one and decreases with increasing the Zn/Mg atomic ratio (from 1.5 for [Zn/Mg]nom = 0.01 to 1.3 for [Zn/Mg]nom = 0.5). (literal)
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