Hydrothermal synthesis, off-axis electron holography and magnetic properties of Fe3O4 nanoparticles

Trevor P. Almeida*, Adrian R. Muxworthy, Wyn Williams, Takeshi Kasama, Rafal E. Dunin-Borkowski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The hydrothermal synthesis of Fe3O4 nanoparticles (NPs) (<50 nm) from mixed FeCl3 / FeCl2 precursor solution at pH ∼ 12 has been confirmed using complementary characterisation techniques of transmission electron microscopy and X-ray diffractometry. Off-axis electron holography allowed for visualisation of their single domain (SD) nature, as well as inter-particle interactions, with the latter attributed to explain the pseudo-SD/multi-domain behaviour demonstrated by bulk magnetic measurements.

Original languageEnglish
Article number012062
JournalJournal of Physics: Conference Series
Volume522
Issue number1
DOIs
Publication statusPublished - 2014

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