Magnetic and electronic state of Co in LaCoO3

K. Okuda; S. Kawamata; K. Nakahigashi; H. Ishibashi; M. Hayashi; H. Ohta; H. Nojiri; M. Motokawa

doi:10.1016/S0304-8853(97)00455-1

Magnetic and electronic state of Co in LaCoO₃

K. Okuda, S. Kawamata, K. Nakahigashi, H. Ishibashi, M. Hayashi, H. Ohta, H. Nojiri, M. Motokawa

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

High-spin state of Co in LaCoO₃ was investigated by the X-ray diffraction (XRD) and submillimeter ESR method. The ESR signals of high-spin state Co³⁺ were found in the frequency range above 150 GHz at temperatures above 25 K. They were discussed by the thermal activation and the crystal distortion model. The XRD and the maximum entropy method (MEM) analysis revealed the high density of electron distribution along the chain -O-Co-O-.

Original language	English
Pages (from-to)	1375-1376
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	177-181
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0304-8853(97)00455-1
Publication status	Published - 1998 Jan
Externally published	Yes

Keywords

Electron-spin resonance
High-field measurements
Magnetic oxides
Phase transition - high spin-low spin
X-ray diffraction

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Magnetic and electronic state of Co in LaCoO3",

abstract = "High-spin state of Co in LaCoO3 was investigated by the X-ray diffraction (XRD) and submillimeter ESR method. The ESR signals of high-spin state Co3+ were found in the frequency range above 150 GHz at temperatures above 25 K. They were discussed by the thermal activation and the crystal distortion model. The XRD and the maximum entropy method (MEM) analysis revealed the high density of electron distribution along the chain -O-Co-O-.",

keywords = "Electron-spin resonance, High-field measurements, Magnetic oxides, Phase transition - high spin-low spin, X-ray diffraction",

author = "K. Okuda and S. Kawamata and K. Nakahigashi and H. Ishibashi and M. Hayashi and H. Ohta and H. Nojiri and M. Motokawa",

year = "1998",

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doi = "10.1016/S0304-8853(97)00455-1",

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T1 - Magnetic and electronic state of Co in LaCoO3

AU - Okuda, K.

AU - Kawamata, S.

AU - Nakahigashi, K.

AU - Ishibashi, H.

AU - Hayashi, M.

AU - Ohta, H.

AU - Nojiri, H.

AU - Motokawa, M.

PY - 1998/1

Y1 - 1998/1

N2 - High-spin state of Co in LaCoO3 was investigated by the X-ray diffraction (XRD) and submillimeter ESR method. The ESR signals of high-spin state Co3+ were found in the frequency range above 150 GHz at temperatures above 25 K. They were discussed by the thermal activation and the crystal distortion model. The XRD and the maximum entropy method (MEM) analysis revealed the high density of electron distribution along the chain -O-Co-O-.

AB - High-spin state of Co in LaCoO3 was investigated by the X-ray diffraction (XRD) and submillimeter ESR method. The ESR signals of high-spin state Co3+ were found in the frequency range above 150 GHz at temperatures above 25 K. They were discussed by the thermal activation and the crystal distortion model. The XRD and the maximum entropy method (MEM) analysis revealed the high density of electron distribution along the chain -O-Co-O-.

KW - Electron-spin resonance

KW - High-field measurements

KW - Magnetic oxides

KW - Phase transition - high spin-low spin

KW - X-ray diffraction

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JF - Journal of Magnetism and Magnetic Materials

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