Giant Magnetoresistance in the Half-Metallic Double-Perovskite Ferrimagnet Mn2FeReO6

Man Rong Li; Maria Retuerto; Zheng Deng; Peter W. Stephens; Mark Croft; Qingzhen Huang; Hui Wu; Xiaoyu Deng; Gabriel Kotliar; Javier Sánchez-Benítez; Joke Hadermann; David Walker; Martha Greenblatt

doi:10.1002/anie.201506456

Giant Magnetoresistance in the Half-Metallic Double-Perovskite Ferrimagnet Mn₂FeReO₆

Man Rong Li, Maria Retuerto, Zheng Deng, Peter W. Stephens, Mark Croft, Qingzhen Huang, Hui Wu, Xiaoyu Deng, Gabriel Kotliar, Javier Sánchez-Benítez, Joke Hadermann, David Walker, Martha Greenblatt

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

49 Scopus citations

Abstract

The first transition-metal-only double perovskite compound, Mn²⁺₂Fe³⁺Re⁵⁺O₆, with 17 unpaired d electrons displays ferrimagnetic ordering up to 520 K and a giant positive magnetoresistance of up to 220 % at 5 K and 8 T. These properties result from the ferrimagnetically coupled Fe and Re sublattice and are affected by a two-to-one magnetic-structure transition of the Mn sublattice when a magnetic field is applied. Theoretical calculations indicate that the half-metallic state can be mainly attributed to the spin polarization of the Fe and Re sites.

Original language	English (US)
Pages (from-to)	12069-12073
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	54
Issue number	41
DOIs	https://doi.org/10.1002/anie.201506456
State	Published - Oct 1 2015

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

Keywords

density functional calculations
giant magnetoresistance
half-metallicity
magnetic properties
perovskite phases

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Li, Man Rong ; Retuerto, Maria ; Deng, Zheng ; Stephens, Peter W. ; Croft, Mark ; Huang, Qingzhen ; Wu, Hui ; Deng, Xiaoyu ; Kotliar, Gabriel ; Sánchez-Benítez, Javier ; Hadermann, Joke ; Walker, David ; Greenblatt, Martha. / Giant Magnetoresistance in the Half-Metallic Double-Perovskite Ferrimagnet Mn₂FeReO₆. In: Angewandte Chemie - International Edition. 2015 ; Vol. 54, No. 41. pp. 12069-12073.

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abstract = "The first transition-metal-only double perovskite compound, Mn2+2Fe3+Re5+O6, with 17 unpaired d electrons displays ferrimagnetic ordering up to 520 K and a giant positive magnetoresistance of up to 220 % at 5 K and 8 T. These properties result from the ferrimagnetically coupled Fe and Re sublattice and are affected by a two-to-one magnetic-structure transition of the Mn sublattice when a magnetic field is applied. Theoretical calculations indicate that the half-metallic state can be mainly attributed to the spin polarization of the Fe and Re sites.",

keywords = "density functional calculations, giant magnetoresistance, half-metallicity, magnetic properties, perovskite phases",

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Giant Magnetoresistance in the Half-Metallic Double-Perovskite Ferrimagnet Mn₂FeReO₆. / Li, Man Rong; Retuerto, Maria; Deng, Zheng; Stephens, Peter W.; Croft, Mark; Huang, Qingzhen; Wu, Hui; Deng, Xiaoyu; Kotliar, Gabriel; Sánchez-Benítez, Javier; Hadermann, Joke; Walker, David; Greenblatt, Martha.

In: Angewandte Chemie - International Edition, Vol. 54, No. 41, 01.10.2015, p. 12069-12073.

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

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T1 - Giant Magnetoresistance in the Half-Metallic Double-Perovskite Ferrimagnet Mn2FeReO6

AU - Li, Man Rong

AU - Retuerto, Maria

AU - Deng, Zheng

AU - Stephens, Peter W.

AU - Croft, Mark

AU - Huang, Qingzhen

AU - Wu, Hui

AU - Deng, Xiaoyu

AU - Kotliar, Gabriel

AU - Sánchez-Benítez, Javier

AU - Hadermann, Joke

AU - Walker, David

AU - Greenblatt, Martha

PY - 2015/10/1

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N2 - The first transition-metal-only double perovskite compound, Mn2+2Fe3+Re5+O6, with 17 unpaired d electrons displays ferrimagnetic ordering up to 520 K and a giant positive magnetoresistance of up to 220 % at 5 K and 8 T. These properties result from the ferrimagnetically coupled Fe and Re sublattice and are affected by a two-to-one magnetic-structure transition of the Mn sublattice when a magnetic field is applied. Theoretical calculations indicate that the half-metallic state can be mainly attributed to the spin polarization of the Fe and Re sites.

AB - The first transition-metal-only double perovskite compound, Mn2+2Fe3+Re5+O6, with 17 unpaired d electrons displays ferrimagnetic ordering up to 520 K and a giant positive magnetoresistance of up to 220 % at 5 K and 8 T. These properties result from the ferrimagnetically coupled Fe and Re sublattice and are affected by a two-to-one magnetic-structure transition of the Mn sublattice when a magnetic field is applied. Theoretical calculations indicate that the half-metallic state can be mainly attributed to the spin polarization of the Fe and Re sites.

KW - density functional calculations

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KW - half-metallicity

KW - magnetic properties

KW - perovskite phases

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