Cation distribution in nickel manganese oxide

S. L. Cheng; J. G. Lin; K. M. Kuo; Gung Chern

doi:10.1063/1.3675151

Cation distribution in nickel manganese oxide

S. L. Cheng, J. G. Lin, K. M. Kuo, Gung Chern

化學工程與材料工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

104 引文斯高帕斯（Scopus）

摘要

We use the technique of electron spin resonance (ESR) to analyze the distribution of cations in Mn _3-xNi _xO ₄with x = 0-1. ESR data suggest that Ni ²⁺ ions prefer to occupy octahedral-sites (B-sites) at low doping and concurrently produce a Mn ⁴⁺ ion in B-site. As Ni ²⁺ ions reach a critical value of ₀.5, partial tetrahedral-sites are replaced by Mn ³⁺ ions and form inverse spinel. Continually adding the Ni content up to x ∼ 1 results into a full transformation of structure into inverse spinel, which is accompanied with a drop of ESR intensities.

原文	???core.languages.en_GB???
文章編號	07A321
期刊	Journal of Applied Physics
卷	111
發行號	7
DOIs	https://doi.org/10.1063/1.3675151
出版狀態	已出版 - 1 4月 2012

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10.1063/1.3675151

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abstract = "We use the technique of electron spin resonance (ESR) to analyze the distribution of cations in Mn 3-xNi xO 4with x = 0-1. ESR data suggest that Ni 2+ ions prefer to occupy octahedral-sites (B-sites) at low doping and concurrently produce a Mn 4+ ion in B-site. As Ni 2+ ions reach a critical value of 0.5, partial tetrahedral-sites are replaced by Mn 3+ ions and form inverse spinel. Continually adding the Ni content up to x ∼ 1 results into a full transformation of structure into inverse spinel, which is accompanied with a drop of ESR intensities.",

author = "Cheng, {S. L.} and Lin, {J. G.} and Kuo, {K. M.} and Gung Chern",

note = "Funding Information: This work was financially supported in part by National Science Council of Republic of China with the Project No. 99-2112-M-002-022-MY3.",

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AU - Cheng, S. L.

AU - Lin, J. G.

AU - Kuo, K. M.

AU - Chern, Gung

N1 - Funding Information: This work was financially supported in part by National Science Council of Republic of China with the Project No. 99-2112-M-002-022-MY3.

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Y1 - 2012/4/1

N2 - We use the technique of electron spin resonance (ESR) to analyze the distribution of cations in Mn 3-xNi xO 4with x = 0-1. ESR data suggest that Ni 2+ ions prefer to occupy octahedral-sites (B-sites) at low doping and concurrently produce a Mn 4+ ion in B-site. As Ni 2+ ions reach a critical value of 0.5, partial tetrahedral-sites are replaced by Mn 3+ ions and form inverse spinel. Continually adding the Ni content up to x ∼ 1 results into a full transformation of structure into inverse spinel, which is accompanied with a drop of ESR intensities.

AB - We use the technique of electron spin resonance (ESR) to analyze the distribution of cations in Mn 3-xNi xO 4with x = 0-1. ESR data suggest that Ni 2+ ions prefer to occupy octahedral-sites (B-sites) at low doping and concurrently produce a Mn 4+ ion in B-site. As Ni 2+ ions reach a critical value of 0.5, partial tetrahedral-sites are replaced by Mn 3+ ions and form inverse spinel. Continually adding the Ni content up to x ∼ 1 results into a full transformation of structure into inverse spinel, which is accompanied with a drop of ESR intensities.

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Cation distribution in nickel manganese oxide

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