Environmental TEM investigation of the reduction of α-Fe2O3 nanorods under H2 atmosphere

Publication: Research - peer-reviewConference article – Annual report year: 2012

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The thermal reduction of hydrothermally synthesised α-Fe2O3 nanorods (NRs) to Fe3O4 NRs under hydrogen is investigated. Complete reduction of α-Fe2O3 NRs to Fe3O4 NRs was achieved during in situ XRD under 1 bar H2 atmosphere at 360°C. Complementary environmental transmission electron microscope investigation at high resolution, during in situ heating under an H2 pressure of 5 mbar at 500°C, provided evidence for the very first stages of transformation, supporting a model for the migration of oxygen along favoured α-Fe2O3 lattice planes during the templated thermal reduction of α-Fe2O3 NRs to Fe3O4 NRs.
Original languageEnglish
Book seriesJournal of Physics: Conference Series (Online)
Publication date2012
Volume371
Issue1
Pages012049
ISSN1742-6596
DOIs
StatePublished

Conference

ConferenceElectron Microscopy and Analysis Group Conference (EMAG 2011)
CountryUnited Kingdom
CityBirmingham
Period06/09/1109/09/11
Internet addresshttp://www.emag-iop.org
CitationsWeb of Science® Times Cited: 0
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