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

doi:10.1088/1742-6596/522/1/012062

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

Research output: Contribution to journal › Conference article › Research › peer-review

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Abstract

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 language	English
Book series	Journal of Physics: Conference Series (Online)
Volume	522
Pages (from-to)	012062
Number of pages	1
ISSN	1742-6596
DOIs	https://doi.org/10.1088/1742-6596/522/1/012062
Publication status	Published - 2014
Event	Electron Microscopy and Analysis Group Conference - University of York, York, United Kingdom Duration: 2 Sep 2013 → 6 Sep 2013 http://www.emag-iop.org/home

Conference

Conference	Electron Microscopy and Analysis Group Conference
Location	University of York
Country	United Kingdom
City	York
Period	02/09/2013 → 06/09/2013
Internet address	http://www.emag-iop.org/home

Bibliographical note

Creative Commons Attribution License 3.0

Access to Document

10.1088/1742-6596/522/1/012062

1742 6596 522 1 012062Final published version, 1.12 MB

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

abstract = "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.",

author = "Almeida, {Trevor P.} and Muxworthy, {Adrian R.} and Wyn Williams and Takeshi Kasama and Dunin-Borkowski, {Rafal E.}",

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doi = "10.1088/1742-6596/522/1/012062",

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Hydrothermal synthesis, off-axis electron holography and magnetic properties of Fe₃O₄ nanoparticles. / Almeida, Trevor P.; Muxworthy, Adrian R.; Williams, Wyn; Kasama, Takeshi; Dunin-Borkowski, Rafal E.

In: Journal of Physics: Conference Series (Online), Vol. 522, 2014, p. 012062.

Research output: Contribution to journal › Conference article › Research › peer-review

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AU - Almeida, Trevor P.

AU - Muxworthy, Adrian R.

AU - Williams, Wyn

AU - Kasama, Takeshi

AU - Dunin-Borkowski, Rafal E.

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AB - 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.

U2 - 10.1088/1742-6596/522/1/012062

DO - 10.1088/1742-6596/522/1/012062

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