Antiferromagnetism of perovskite EuZrO3

被引：38

作者：

Zong, Yanhua ^{[1
]}

Fujita, Koji ^{[1
]}

Akamatsu, Hirofumi ^{[1
]}

Murai, Shunsuke ^{[1
]}

Tanaka, Katsuhisa ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Nishikyo Ku, Kyoto 6158510, Japan

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2010年 / 183卷 / 01期

关键词：

Orthorhombic perovskite; Europium zirconate; Antiferromagnetism; Magnetic interaction; Mossbauer spectroscopy; DIVALENT EUROPIUM COMPOUNDS; MAGNETIC-PROPERTIES; CRYSTAL-CHEMISTRY; MOSSBAUER-SPECTROSCOPY; ELECTRICAL-PROPERTIES; EU3TI2O7; EU2TIO4; EUTIO3;

D O I：

10.1016/j.jssc.2009.10.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

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. Eu-151 Mossbauer 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 Neel temperature has been discussed. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：168 / 172

页数：5

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