Antiferromagnetism of perovskite EuZrO3

Yanhua Zong; Koji Fujita; Hirofumi Akamatsu; Shunsuke Murai; Katsuhisa Tanaka

doi:10.1016/j.jssc.2009.10.014

Antiferromagnetism of perovskite EuZrO₃

Yanhua Zong, Koji Fujita, Hirofumi Akamatsu, Shunsuke Murai, Katsuhisa Tanaka

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

31 Citations (Scopus)

Abstract

Polycrystalline EuZrO₃ has been synthesized by the solid-state reaction between EuO and ZrO₂, and its structural and magnetic properties have been investigated. Rietveld analysis of the X-ray diffraction pattern indicates that EuZrO₃ crystallizes in an orthorhombic perovskite structure. ¹⁵¹Eu Mössbauer effect measurement reveals that almost all the europium ions are present as the divalent state and occupy distorted sites with non-axial electric field gradients, in agreement with the orthorhombic structure. In contrast to previous reports, an antiferromagnetic transition was observed around 4.1 K. The magnetic structure below the Néel temperature has been discussed.

Original language	English
Pages (from-to)	168-172
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	183
Issue number	1
DOIs	https://doi.org/10.1016/j.jssc.2009.10.014
Publication status	Published - Jan 1 2010
Externally published	Yes

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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title = "Antiferromagnetism of perovskite EuZrO3",

abstract = "Polycrystalline EuZrO3 has been synthesized by the solid-state reaction between EuO and ZrO2, and its structural and magnetic properties have been investigated. Rietveld analysis of the X-ray diffraction pattern indicates that EuZrO3 crystallizes in an orthorhombic perovskite structure. 151Eu M{\"o}ssbauer effect measurement reveals that almost all the europium ions are present as the divalent state and occupy distorted sites with non-axial electric field gradients, in agreement with the orthorhombic structure. In contrast to previous reports, an antiferromagnetic transition was observed around 4.1 K. The magnetic structure below the N{\'e}el temperature has been discussed.",

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AU - Zong, Yanhua

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AU - Akamatsu, Hirofumi

AU - Murai, Shunsuke

AU - Tanaka, Katsuhisa

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AB - Polycrystalline EuZrO3 has been synthesized by the solid-state reaction between EuO and ZrO2, and its structural and magnetic properties have been investigated. Rietveld analysis of the X-ray diffraction pattern indicates that EuZrO3 crystallizes in an orthorhombic perovskite structure. 151Eu Mössbauer effect measurement reveals that almost all the europium ions are present as the divalent state and occupy distorted sites with non-axial electric field gradients, in agreement with the orthorhombic structure. In contrast to previous reports, an antiferromagnetic transition was observed around 4.1 K. The magnetic structure below the Néel temperature has been discussed.

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