Magnetic properties and B-site cation ordering in (Sr0.5Ba0.5)2FeSbO6 perovskite

T. Tiittanen; M. Karppinen

doi:10.1016/j.jallcom.2017.11.366

Magnetic properties and B-site cation ordering in (Sr_0.5Ba_0.5)₂FeSbO₆ perovskite

T. Tiittanen, M. Karppinen^*

^*Corresponding author for this work

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Abstract

We investigate the dependence of magnetic properties on the B-site cation ordering for a series of (Sr_0.5Ba_0.5)₂FeSbO₆ double-perovskite samples for which the Fe/Sb long-range ordering ranges from nearly nonexisting to essentially complete. Also the size of crystallographically ordered domains varies among the samples. All the samples are antiferromagnetic at low temperatures independent of the level of ordering, indicating multiple co-existing exchange and/or superexchange interactions. Nevertheless, a clear trend is seen for the Néel temperature and the effective magnetic moment both increasing with increasing degree of order and the size of the ordered domains.

Original language	English
Pages (from-to)	295-298
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	737
DOIs	https://doi.org/10.1016/j.jallcom.2017.11.366
Publication status	Published - 15 Mar 2018
MoE publication type	A1 Journal article-refereed

Keywords

Antiferromagnetic
Degree of order
Double perovskite
Exchange and superexchange
Magnetic properties

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10.1016/j.jallcom.2017.11.366

2018-JALCOM-Tiittanen-Karppinen-Magnetic properties and B-site cation orderingAccepted author manuscript, 334 KBLicence: CC BY-NC-ND

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title = "Magnetic properties and B-site cation ordering in (Sr0.5Ba0.5)2FeSbO6 perovskite",

abstract = "We investigate the dependence of magnetic properties on the B-site cation ordering for a series of (Sr0.5Ba0.5)2FeSbO6 double-perovskite samples for which the Fe/Sb long-range ordering ranges from nearly nonexisting to essentially complete. Also the size of crystallographically ordered domains varies among the samples. All the samples are antiferromagnetic at low temperatures independent of the level of ordering, indicating multiple co-existing exchange and/or superexchange interactions. Nevertheless, a clear trend is seen for the N{\'e}el temperature and the effective magnetic moment both increasing with increasing degree of order and the size of the ordered domains.",

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author = "T. Tiittanen and M. Karppinen",

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Y1 - 2018/3/15

N2 - We investigate the dependence of magnetic properties on the B-site cation ordering for a series of (Sr0.5Ba0.5)2FeSbO6 double-perovskite samples for which the Fe/Sb long-range ordering ranges from nearly nonexisting to essentially complete. Also the size of crystallographically ordered domains varies among the samples. All the samples are antiferromagnetic at low temperatures independent of the level of ordering, indicating multiple co-existing exchange and/or superexchange interactions. Nevertheless, a clear trend is seen for the Néel temperature and the effective magnetic moment both increasing with increasing degree of order and the size of the ordered domains.

AB - We investigate the dependence of magnetic properties on the B-site cation ordering for a series of (Sr0.5Ba0.5)2FeSbO6 double-perovskite samples for which the Fe/Sb long-range ordering ranges from nearly nonexisting to essentially complete. Also the size of crystallographically ordered domains varies among the samples. All the samples are antiferromagnetic at low temperatures independent of the level of ordering, indicating multiple co-existing exchange and/or superexchange interactions. Nevertheless, a clear trend is seen for the Néel temperature and the effective magnetic moment both increasing with increasing degree of order and the size of the ordered domains.

KW - Antiferromagnetic

KW - Degree of order

KW - Double perovskite

KW - Exchange and superexchange

KW - Magnetic properties

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DO - 10.1016/j.jallcom.2017.11.366

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VL - 737

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JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

ER -

Magnetic properties and B-site cation ordering in (Sr_0.5Ba_0.5)₂FeSbO₆ perovskite

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Magnetic properties and B-site cation ordering in (Sr0.5Ba0.5)2FeSbO6 perovskite

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Keywords

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Magnetic properties and B-site cation ordering in (Sr_0.5Ba_0.5)₂FeSbO₆ perovskite