Influence of Fe doping on the electrical properties of Sr 2MgMoO6-δ

Arun Kumar Dorai; Yoshitake Masuda; Jong Hoon Joo; Sang Kuk Woo; Sun Dong Kim

doi:10.1016/j.matchemphys.2013.02.039

Influence of Fe doping on the electrical properties of Sr ₂MgMoO_6-δ

Arun Kumar Dorai, Yoshitake Masuda, Jong Hoon Joo, Sang Kuk Woo, Sun Dong Kim

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

17 Citations (Scopus)

Abstract

We have investigated the effect of Fe doping on the structural and electrical properties of the double perovskite oxide Sr₂Mg _1-xFe_xMoO_6-δ (x = 0, 0.2, 0.5). The structure of the Fe doped compounds is tetragonal, unlike the triclinic undoped compound. The Fe doping favors the reduction of Mo⁶⁺ to Mo ⁵⁺, which plays a vital role in determining the electrical properties. The conductivity increases with increasing Fe content. The samples were found to be stable in both oxidizing and reducing conditions.

Original language	English
Pages (from-to)	360-363
Number of pages	4
Journal	Materials Chemistry and Physics
Volume	139
Issue number	2-3
DOIs	https://doi.org/10.1016/j.matchemphys.2013.02.039
Publication status	Published - 2013 May 15
Externally published	Yes

Keywords

Ceramics
Electrical characterization
Sol-gel growth
X-ray photo-emission spectroscopy

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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title = "Influence of Fe doping on the electrical properties of Sr 2MgMoO6-δ",

abstract = "We have investigated the effect of Fe doping on the structural and electrical properties of the double perovskite oxide Sr2Mg 1-xFexMoO6-δ (x = 0, 0.2, 0.5). The structure of the Fe doped compounds is tetragonal, unlike the triclinic undoped compound. The Fe doping favors the reduction of Mo6+ to Mo 5+, which plays a vital role in determining the electrical properties. The conductivity increases with increasing Fe content. The samples were found to be stable in both oxidizing and reducing conditions.",

keywords = "Ceramics, Electrical characterization, Sol-gel growth, X-ray photo-emission spectroscopy",

author = "Dorai, {Arun Kumar} and Yoshitake Masuda and Joo, {Jong Hoon} and Woo, {Sang Kuk} and Kim, {Sun Dong}",

note = "Funding Information: This research was performed for the Hydrogen Energy R&D Center, part of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology of Korea . Copyright: Copyright 2013 Elsevier B.V., All rights reserved.",

year = "2013",

month = may,

day = "15",

doi = "10.1016/j.matchemphys.2013.02.039",

language = "English",

volume = "139",

pages = "360--363",

journal = "Materials Chemistry and Physics",

issn = "0254-0584",

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T1 - Influence of Fe doping on the electrical properties of Sr 2MgMoO6-δ

AU - Dorai, Arun Kumar

AU - Masuda, Yoshitake

AU - Joo, Jong Hoon

AU - Woo, Sang Kuk

AU - Kim, Sun Dong

N1 - Funding Information: This research was performed for the Hydrogen Energy R&D Center, part of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology of Korea . Copyright: Copyright 2013 Elsevier B.V., All rights reserved.

PY - 2013/5/15

Y1 - 2013/5/15

N2 - We have investigated the effect of Fe doping on the structural and electrical properties of the double perovskite oxide Sr2Mg 1-xFexMoO6-δ (x = 0, 0.2, 0.5). The structure of the Fe doped compounds is tetragonal, unlike the triclinic undoped compound. The Fe doping favors the reduction of Mo6+ to Mo 5+, which plays a vital role in determining the electrical properties. The conductivity increases with increasing Fe content. The samples were found to be stable in both oxidizing and reducing conditions.

AB - We have investigated the effect of Fe doping on the structural and electrical properties of the double perovskite oxide Sr2Mg 1-xFexMoO6-δ (x = 0, 0.2, 0.5). The structure of the Fe doped compounds is tetragonal, unlike the triclinic undoped compound. The Fe doping favors the reduction of Mo6+ to Mo 5+, which plays a vital role in determining the electrical properties. The conductivity increases with increasing Fe content. The samples were found to be stable in both oxidizing and reducing conditions.

KW - Ceramics

KW - Electrical characterization

KW - Sol-gel growth

KW - X-ray photo-emission spectroscopy

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JO - Materials Chemistry and Physics

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