Chemistry of Materials

, volume 24 , issue 10 , pages 1904-1909

Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy

Stuart Turner ¹

J. Verbeeck ¹

Gustaaf Van Tendeloo ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

EMAT, University of Antwerp, B-2020 Antwerp, Belgium |

Publication type: Journal Article

Publication date: 2012-05-11

American Chemical Society (ACS)

Chemistry of Materials

scimago Q1

wos Q1

SJR: 2.065

CiteScore: 12.0

Impact factor: 7.0

ISSN: 08974756, 15205002

DOI: 10.1021/cm300640g

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Materials Chemistry

General Chemistry

General Chemical Engineering

Abstract

Using a combination of high-angle annular dark field scanning transmission electron microscopy and atomically resolved electron energy-loss spectroscopy at high energy resolution in an aberration-corrected electron microscope, we demonstrate the capability of coordination mapping in complex oxides. Brownmillerite compound Ca2FeCoO5, consisting of repetitive octahedral and tetrahedral coordination layers with Fe and Co in a fixed 3+ valency, is selected to demonstrate the principle of atomic resolution coordination mapping. Analysis of the Co-L2,3 and the Fe-L2,3 edges shows small variations in the fine structure that can be specifically attributed to Co/Fe in tetrahedral or in octahedral coordination. Using internal reference spectra, we show that the coordination of the Fe and Co atoms in the compound can be mapped at atomic resolution.

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GOST |

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Turner S. et al. Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy // Chemistry of Materials. 2012. Vol. 24. No. 10. pp. 1904-1909.

GOST all authors (up to 50) Copy

Turner S., Verbeeck J., Van Tendeloo G. Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy // Chemistry of Materials. 2012. Vol. 24. No. 10. pp. 1904-1909.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1021/cm300640g

UR - https://doi.org/10.1021/cm300640g

TI - Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy

T2 - Chemistry of Materials

AU - Turner, Stuart

AU - Verbeeck, J.

AU - Van Tendeloo, Gustaaf

PY - 2012

DA - 2012/05/11

PB - American Chemical Society (ACS)

SP - 1904-1909

IS - 10

VL - 24

SN - 0897-4756

SN - 1520-5002

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2012_Turner,

author = {Stuart Turner and J. Verbeeck and Gustaaf Van Tendeloo},

title = {Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy},

journal = {Chemistry of Materials},

year = {2012},

volume = {24},

publisher = {American Chemical Society (ACS)},

month = {may},

url = {https://doi.org/10.1021/cm300640g},

number = {10},

pages = {1904--1909},

doi = {10.1021/cm300640g}

}

MLA

Cite this

MLA Copy

Turner, Stuart, et al. “Atomic resolution coordination mapping in Ca 2FeCoO 5 brownmillerite by spatially resolved electron energy-loss spectroscopy.” Chemistry of Materials, vol. 24, no. 10, May. 2012, pp. 1904-1909. https://doi.org/10.1021/cm300640g.

Publisher

American Chemical Society (ACS)

Journal

Chemistry of Materials

scimago Q1

wos Q1

SJR

2.065

CiteScore

12.0

Impact factor

7.0

ISSN

08974756 (Print)

15205002 (Electronic)