Antiferromagnetism of perovskite EuZrO3
作者： Yanhua Zong , Koji Fujita , Hirofumi Akamatsu , Shunsuke Murai , Katsuhisa Tanaka
DOI: 10.1016/J.JSSC.2009.10.014
关键词:
摘要: Polycrystalline EuZrO{sub 3} has been synthesized by the solid-state reaction between EuO and ZrO{sub 2}, its structural magnetic properties have investigated. Rietveld analysis of X-ray diffraction pattern indicates that crystallizes in an orthorhombic perovskite structure. {sup 151}Eu Moessbauer effect measurement reveals almost all europium ions are present as divalent state occupy distorted sites with non-axial electric field gradients, agreement In contrast to previous reports, antiferromagnetic transition was observed around 4.1 K. The structure below Neel temperature discussed. - Graphical abstract: Perovskite Eu Eu{sup 2+} studied. An K for first time. mechanism
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