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Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles

Identification

Public canonical key
doi:10.1038/ncomms6154
Authors
Trevor P. Almeida · Takeshi Kasama · Adrian R. Muxworthy · Wyn Williams · Lesleis Nagy · Thomas W. Hansen · Paul D. Brown · Rafal E. Dunin‐Borkowski
Reported year
2014
Reported language
en
Source type
article
First detected
2026-11-09T19:19:23.150171+00:00
Last metadata observation
2026-11-09T19:19:23.150171+00:00
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Institutions reported by the source

Ernst Ruska Centre · Forschungszentrum Jülich · Imperial College London · Technical University of Denmark · University of Edinburgh · University of Nottingham

Documentary abstract — original language

Magnetite (Fe3O4) is an important magnetic mineral to Earth scientists, as it carries the dominant magnetic signature in rocks, and the understanding of its magnetic recording fidelity provides a critical tool in the field of palaeomagnetism. However, reliable interpretation of the recording fidelity of Fe3O4 particles is greatly diminished over time by progressive oxidation to less magnetic iron oxides, such as maghemite (γ-Fe2O3), with consequent alteration of remanent magnetization potentially having important geological significance. Here we use the complementary techniques of environmental transmission electron microscopy and off-axis electron holography to induce and visualize the effects of oxidation on the magnetization of individual nanoscale Fe3O4 particles as they transform towards γ-Fe2O3. Magnetic induction maps demonstrate a change in both strength and direction of remanent magnetization within Fe3O4 particles in the size range dominant in rocks, confirming that oxidation can modify the original stored magnetic information.

Identifiers

OPENALEX
W2155852286
DOI
10.1038/ncomms6154

Documentary context

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Scholarship
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article

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OpenAlex · Record 1 · Record 2

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  • openalex:w1576907370 · CITES
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  • openalex:w2002654947 · CITES
  • openalex:w2005088293 · CITES
  • openalex:w2011165003 · CITES
  • openalex:w2025869262 · CITES
  • openalex:w2026972116 · CITES
  • openalex:w2055781465 · CITES
  • openalex:w2073225840 · CITES
  • openalex:w2074842283 · CITES
  • openalex:w2076067740 · CITES
  • openalex:w2078053422 · CITES
  • openalex:w2095436012 · CITES
  • openalex:w2121968093 · CITES
  • openalex:w2122415545 · CITES
  • openalex:w2154707884 · CITES
  • openalex:w3047728787 · CITES
  • openalex:w3159347071 · CITES

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Cite this reference

Trevor P. Almeida; Takeshi Kasama; Adrian R. Muxworthy; Wyn Williams; Lesleis Nagy; Thomas W. Hansen; Paul D. Brown; Rafal E. Dunin‐Borkowski. Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. 2014. https://doi.org/10.1038/ncomms6154

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APA
Trevor P. Almeida; Takeshi Kasama; Adrian R. Muxworthy; Wyn Williams; Lesleis Nagy; Thomas W. Hansen; Paul D. Brown; Rafal E. Dunin‐Borkowski. (2014). Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. https://doi.org/10.1038/ncomms6154
Chicago
Trevor P. Almeida; Takeshi Kasama; Adrian R. Muxworthy; Wyn Williams; Lesleis Nagy; Thomas W. Hansen; Paul D. Brown; Rafal E. Dunin‐Borkowski. Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. 2014. https://doi.org/10.1038/ncomms6154
ISO 690
Trevor P. Almeida; Takeshi Kasama; Adrian R. Muxworthy; Wyn Williams; Lesleis Nagy; Thomas W. Hansen; Paul D. Brown; Rafal E. Dunin‐Borkowski. Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. 2014. https://doi.org/10.1038/ncomms6154

UDTR Global Rights of Nature Legal Library. Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. Documentary record: https://www.declarationuniverselledesdroitsdelarbre.org/global-rights-of-nature-radar/reference/r-e4e8b6226cfe629e66b1d204d473e1dc/ · Last HTTP verification: not performed

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Field provenance and record version

Version 65dfe74bdc08453a · udtr-reference-1.1.2

Title
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
Authors
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
Year
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
Identifiers
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
Source URL
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
Source-reported author ORCID
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00
OpenAlex · source · 2026-11-09T19:19:23.150171+00:00

History tracks record metadata and does not certify the state of the law.

f80ce53a598edfb5 · 2026-11-09T19:19:23.150171+00:00

57dd679313056b6e · 2026-11-09T19:19:23.150171+00:00

169b6dedc38bcb1d · 2026-11-09T19:19:23.150171+00:00

65dfe74bdc08453a · 2026-11-09T19:19:23.150171+00:00

Frozen-version metadata

Research dossiers and documentary relations

Ernst Ruska Centre

Forschungszentrum Jülich

Imperial College London

Technical University of Denmark

University of Edinburgh

University of Nottingham

Adrian R. Muxworthy

Lesleis Nagy

Paul D. Brown

Rafal E. Dunin‐Borkowski

Takeshi Kasama

Thomas W. Hansen

Source roles

Discovery source · https://doi.org/10.1038/ncomms6154

Discovery source · https://openalex.org/W2155852286

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Documentary status

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