Fabrication of magnetite nanorods by ultrasound irradiation

R. Vijaya Kumar, Yu Koltypin, X. N. Xu, Y. Yeshurun, A. Gedanken, I. Felner

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Magnetite nanorods have been prepared by the sonication of aqueous iron(II)acetate in the presence of β-cyclodextrin. The properties of the magnetite nanorods were characterized by x-ray diffraction, Mossbauer spectroscopy, transmission electron microscopy, thermogravimetric analysis, and magnetization measurements. The as-prepared magnetite nanorods are ferromagnetic and their magnetization at room temperature is ∼78 emu/g. The particle sizes measured from transmission electron micrographs are about 48/14 nm (L/W). A mechanism for the sonochemical formation of magnetite nanorods is discussed.

Original languageEnglish
Pages (from-to)6324-6328
Number of pages5
JournalJournal of Applied Physics
Volume89
Issue number11 I
DOIs
StatePublished - Jun 2001

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