Synthesis, morphological-structural characterization and magnetic properties of amorphous iron (III)-oxyhydroxy-phosphate nanoparticles

Lorenza Suber, Sabrina Foglia, Dino Fiorani, Hector Romero, Amelia Montone, Anna Roig, Lluìs Casas

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Abstract

The synthesis, the chemical, morphological, structural characterization and the magnetic properties of amorphous iron oxyhydroxy phosphate nanoparticles are reported. Aggregated spherical particles (diameter: 5-12nm) are obtained showing a ferrihydrite-like behavior similar to that of the bacterial ferritin iron oxyhydroxy-phosphate core. A superparamagnetic behavior is observed with blocking temperatures ranging from ∼20 to ∼50K depending on the iron and phosphate content. © 2004 Elsevier Inc. All rights reserved.
Original languageEnglish
Pages (from-to)2440 - 2448
Number of pages9
JournalJournal of Solid State Chemistry
Volume177
Issue number7
DOIs
Publication statusPublished - Jul 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

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