Magnetic Ordering in Sr3YCo4O10+x
Abstract
Transition-metal oxides often exhibit complex magnetic behavior due to the strong interplay between atomic-structure, electronic and magnetic degrees of freedom. Cobaltates, especially, exhibit complex behavior because of cobalt's ability to adopt various valence and spin state configurations. The case of the oxygen-deficient perovskite Sr3YCo4O10+x (SYCO) has attracted considerable attention because of persisting uncertainties about its structure and the origin of the observed room temperature ferromagnetism. Here we report a combined investigation of SYCO using aberration-corrected scanning transmission electron microscopy and density functional theory calculations. Guided by theoretical results on Co-O distances projected on different planes, the atomic-scale images of several different orientations, especially of the fully oxygenated planes, allow the unambiguous extraction of the underlying structure. The calculated magnetic properties of the new structure are in excellent agreement with the experimental data.
- Authors:
-
- Asahi Kasei Corporation, Fuji, Shizuoka (Japan). Department of Technology Group, Analysis & Simulation Center
- Vanderbilt Univ., Nashville, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- National University of Singapore, (Singapore). Department of Materials Science and Engineering
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Vanderbilt Univ., Nashville, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1239752
- Alternate Identifier(s):
- OSTI ID: 1597737
- Grant/Contract Number:
- AC05-00OR22725; FG02- 09ER46554; AC02-05CH11231; FG02-09ER46554
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 6; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Kishida, Takayoshi, Kapetanakis, Myron D., Yan, Jiaqiang, Sales, Brian C., Pantelides, Sokrates T., Pennycook, Stephen J., and Chisholm, Matthew F. Magnetic Ordering in Sr3YCo4O10+x. United States: N. p., 2016.
Web. doi:10.1038/srep19762.
Kishida, Takayoshi, Kapetanakis, Myron D., Yan, Jiaqiang, Sales, Brian C., Pantelides, Sokrates T., Pennycook, Stephen J., & Chisholm, Matthew F. Magnetic Ordering in Sr3YCo4O10+x. United States. https://doi.org/10.1038/srep19762
Kishida, Takayoshi, Kapetanakis, Myron D., Yan, Jiaqiang, Sales, Brian C., Pantelides, Sokrates T., Pennycook, Stephen J., and Chisholm, Matthew F. Thu .
"Magnetic Ordering in Sr3YCo4O10+x". United States. https://doi.org/10.1038/srep19762. https://www.osti.gov/servlets/purl/1239752.
@article{osti_1239752,
title = {Magnetic Ordering in Sr3YCo4O10+x},
author = {Kishida, Takayoshi and Kapetanakis, Myron D. and Yan, Jiaqiang and Sales, Brian C. and Pantelides, Sokrates T. and Pennycook, Stephen J. and Chisholm, Matthew F.},
abstractNote = {Transition-metal oxides often exhibit complex magnetic behavior due to the strong interplay between atomic-structure, electronic and magnetic degrees of freedom. Cobaltates, especially, exhibit complex behavior because of cobalt's ability to adopt various valence and spin state configurations. The case of the oxygen-deficient perovskite Sr3YCo4O10+x (SYCO) has attracted considerable attention because of persisting uncertainties about its structure and the origin of the observed room temperature ferromagnetism. Here we report a combined investigation of SYCO using aberration-corrected scanning transmission electron microscopy and density functional theory calculations. Guided by theoretical results on Co-O distances projected on different planes, the atomic-scale images of several different orientations, especially of the fully oxygenated planes, allow the unambiguous extraction of the underlying structure. The calculated magnetic properties of the new structure are in excellent agreement with the experimental data.},
doi = {10.1038/srep19762},
journal = {Scientific Reports},
number = ,
volume = 6,
place = {United States},
year = {Thu Jan 28 00:00:00 EST 2016},
month = {Thu Jan 28 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Spin states of Co 3+ ions in Sr 0.75 Y 0.25 CoO 2.625 system induced by Jahn-Teller distortion: a density-functional study
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Ferromagnet-antiferromagnet transition in layered perovskites of Sr 3 YCo 4 O 10.5 type
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Room-Temperature Ferromagnetic Sr3YCo4O10+δ and Carbon Black-Reinforced Polyvinylidenefluoride Composites toward High-Performance Electromagnetic Interference Shielding
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