High magnetic ordering temperature in the perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0)

M. Retuerto; M. R. Li; Y. B. Go; A. Ignatov; M. Croft; K. V. Ramanujachary; R. H. Herber; I. Nowik; J. P. Hodges; W. Dachraoui; J. Hadermann; M. Greenblatt

doi:10.1016/j.jssc.2012.06.031

High magnetic ordering temperature in the perovskites Sr _4-xLa _xFe ₃ReO ₁₂ (x=0.0, 1.0, 2.0)

M. Retuerto, M. R. Li, Y. B. Go, A. Ignatov, M. Croft, K. V. Ramanujachary, R. H. Herber, I. Nowik, J. P. Hodges, W. Dachraoui, J. Hadermann, M. Greenblatt

Chemistry

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Abstract

A series of perovskites Sr _4-xLa _xFe ₃ReO ₁₂ (x=0.0, 1.0, 2.0) has been prepared by wet chemistry methods. The structure analyses by powder X-ray and neutron diffraction and electron microscopy show that these compounds adopt simple perovskite structures without cation ordering over the B sites: tetragonal (I4/mcm) for x=0.0 and 1.0 and orthorhombic (Pbmn) for x=2.0. The oxidation states of the cations in the compound with x=0.0 appear to be Fe ^3/4 and Re ⁷ and decrease for both with La substitution as evidenced by X-ray absorption spectroscopy. All the compounds are antiferromagnetically ordered above room temperature, as demonstrated by Mössbauer spectroscopy and the magnetic structures, which were determined by powder neutron diffraction. The substitution of Sr by La strongly affects the magnetic properties with an increase of T _N up to ∼750 K.

Original language	English (US)
Pages (from-to)	48-58
Number of pages	11
Journal	Journal of Solid State Chemistry
Volume	194
DOIs	https://doi.org/10.1016/j.jssc.2012.06.031
State	Published - Oct 2012

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/j.jssc.2012.06.031

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title = "High magnetic ordering temperature in the perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0)",

abstract = "A series of perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0) has been prepared by wet chemistry methods. The structure analyses by powder X-ray and neutron diffraction and electron microscopy show that these compounds adopt simple perovskite structures without cation ordering over the B sites: tetragonal (I4/mcm) for x=0.0 and 1.0 and orthorhombic (Pbmn) for x=2.0. The oxidation states of the cations in the compound with x=0.0 appear to be Fe 3/4 and Re 7 and decrease for both with La substitution as evidenced by X-ray absorption spectroscopy. All the compounds are antiferromagnetically ordered above room temperature, as demonstrated by M{\"o}ssbauer spectroscopy and the magnetic structures, which were determined by powder neutron diffraction. The substitution of Sr by La strongly affects the magnetic properties with an increase of T N up to ∼750 K.",

author = "M. Retuerto and Li, {M. R.} and Go, {Y. B.} and A. Ignatov and M. Croft and Ramanujachary, {K. V.} and Herber, {R. H.} and I. Nowik and Hodges, {J. P.} and W. Dachraoui and J. Hadermann and M. Greenblatt",

note = "Funding Information: This work was supported by the NSF-DMR-0966829 grant. We also would like to thank the Spanish Ministry of Education and the Fulbright Commission for the grant of Dr. M. Retuerto. Use of the Spallation Neutron Source is supported by the Division of Scientific User Facilities, Office of Basic Energy Sciences, US Department of Energy, under contract DE-AC05–00OR22725 with UT-Battelle, LLC.",

year = "2012",

month = oct,

doi = "10.1016/j.jssc.2012.06.031",

language = "English (US)",

volume = "194",

pages = "48--58",

journal = "Journal of Solid State Chemistry",

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publisher = "Academic Press Inc.",

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T1 - High magnetic ordering temperature in the perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0)

AU - Retuerto, M.

AU - Li, M. R.

AU - Go, Y. B.

AU - Ignatov, A.

AU - Croft, M.

AU - Ramanujachary, K. V.

AU - Herber, R. H.

AU - Nowik, I.

AU - Hodges, J. P.

AU - Dachraoui, W.

AU - Hadermann, J.

AU - Greenblatt, M.

N1 - Funding Information: This work was supported by the NSF-DMR-0966829 grant. We also would like to thank the Spanish Ministry of Education and the Fulbright Commission for the grant of Dr. M. Retuerto. Use of the Spallation Neutron Source is supported by the Division of Scientific User Facilities, Office of Basic Energy Sciences, US Department of Energy, under contract DE-AC05–00OR22725 with UT-Battelle, LLC.

PY - 2012/10

Y1 - 2012/10

N2 - A series of perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0) has been prepared by wet chemistry methods. The structure analyses by powder X-ray and neutron diffraction and electron microscopy show that these compounds adopt simple perovskite structures without cation ordering over the B sites: tetragonal (I4/mcm) for x=0.0 and 1.0 and orthorhombic (Pbmn) for x=2.0. The oxidation states of the cations in the compound with x=0.0 appear to be Fe 3/4 and Re 7 and decrease for both with La substitution as evidenced by X-ray absorption spectroscopy. All the compounds are antiferromagnetically ordered above room temperature, as demonstrated by Mössbauer spectroscopy and the magnetic structures, which were determined by powder neutron diffraction. The substitution of Sr by La strongly affects the magnetic properties with an increase of T N up to ∼750 K.

AB - A series of perovskites Sr 4-xLa xFe 3ReO 12 (x=0.0, 1.0, 2.0) has been prepared by wet chemistry methods. The structure analyses by powder X-ray and neutron diffraction and electron microscopy show that these compounds adopt simple perovskite structures without cation ordering over the B sites: tetragonal (I4/mcm) for x=0.0 and 1.0 and orthorhombic (Pbmn) for x=2.0. The oxidation states of the cations in the compound with x=0.0 appear to be Fe 3/4 and Re 7 and decrease for both with La substitution as evidenced by X-ray absorption spectroscopy. All the compounds are antiferromagnetically ordered above room temperature, as demonstrated by Mössbauer spectroscopy and the magnetic structures, which were determined by powder neutron diffraction. The substitution of Sr by La strongly affects the magnetic properties with an increase of T N up to ∼750 K.

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ER -

High magnetic ordering temperature in the perovskites Sr _4-xLa _xFe ₃ReO ₁₂ (x=0.0, 1.0, 2.0)

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