Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion (Articolo in rivista) (literal)

Anno

• 2011-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1007/s10971-011-2559-8 (literal)

Alternative label

• Cannas, C. and Ardu, A. and Niznansky, D. and Peddis, D. and Piccaluga, G. and Musinu, A. (2011)
  Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion
  in Journal of sol-gel science and technology
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Cannas, C. and Ardu, A. and Niznansky, D. and Peddis, D. and Piccaluga, G. and Musinu, A. (literal)

Pagina inizio

• 266 (literal)

Pagina fine

• 274 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni

• il dr. Davide Peddis era associato all'Istituto di Struttura della Materia (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 60 (literal)

Rivista

• Journal of sol-gel science and technology (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 3 (literal)

Note

• Scopu (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• 1. Dipartimento di Scienze Chimiche, Università di Cagliari, Complesso Universitario di Monserrato, 09042, Monserrato, CA, Italy 2. Department of Inorganic Chemistry, Faculty of Natural Sciences, Charles University, Albertov 6, 128 43, Prague, Czech Republic (literal)

Titolo

• Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion (literal)

Abstract

• Pure maghemite nanopowders made up of nanocrystals with average size of 19 nm was prepared by a simple sol-gel self combustion process. The gel pH and the primer temperature turned out the key parameters for the obtaining of the maghemite phase, that often is accompanied by the most thermodynamically stable hematite. Pure maghemite was achieved only with a gel pH value of 7 and with a primer temperature between 290 and 325 °C. XRD and IR pointed out the formation of maghemite with tetragonal structure and HRTEM indicated the high degree of crystallinity of the powder. Mossbauer measurements allowed to confirm the presence of maghemite phase with Fe(octa):Fe(tetra) ratio of 1.62 which is very close to the theoretical value and the presence spin canting strongly dependent on applied magnetic field. This picture is confirmed by dc magnetic measurements. (literal)

Prodotto di

• Institute of structure of matter (ISM) (Istituto)
• Materiali Magnetici Nanostrutturati (MD.P04.003.001) (Modulo)

Autore CNR

• DAVIDE PEDDIS (Unità di personale interno)

Insieme di parole chiave

• Keywords of "Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion" (Insieme di parole chiave)

Incoming links:

Prodotto

• Institute of structure of matter (ISM) (Istituto)
• Materiali Magnetici Nanostrutturati (MD.P04.003.001) (Modulo)

Autore CNR di

• DAVIDE PEDDIS (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of sol-gel science and technology (Rivista)

Insieme di parole chiave di

• Keywords of "Simple and fast preparation of pure maghemite nanopowders through sol gel self-combustion" (Insieme di parole chiave)