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• 作者：Yuying Wu ; Jian Xu ; Zhengcai Xia
• 关键词：Chromites ; Magnetization reversal ; Antiferromagnetically coupled clusters
• 刊名：Journal of Low Temperature Physics
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：183
• 期：1-2
• 页码：14-22
• 全文大小：956 KB
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• 作者单位：Yuying Wu (1)
  Jian Xu (1)
  Zhengcai Xia (2)
  
  1. School of Electrical and Electronic Engineering, Wuhan Polytechnic University, Wuhan, 430023, People’s Republic of China
  2. Wuhan High Magnetic Field Center, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, People’s Republic of China
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Condensed Matter
  Characterization and Evaluation Materials
  Magnetism and Magnetic Materials
  
• 出版者：Springer Netherlands
• ISSN：1573-7357

文摘

The temperature dependence of dc magnetization is investigated for the rare earth chromites SmCrO\(_{3}\) and the doped compound SmCr\(_{0.9}\)Mn\(_{0.1}\)O\(_{3}\). Different from the magnetization behavior of SmCrO\(_{3}\), temperature-induced magnetization reversals are observed in the Mn\(^{3+}\)-doped compound. Moreover, low-temperature isothermal magnetization measurement indicates the magnetic ground state of SmCr\(_{0.9}\)Mn\(_{0.1}\)O\(_{3}\) to be antiferromagnetic with a spin canting. The field-cooling magnetic hysteresis loop reveals that an exchange bias (EB) phenomenon is present in the sample. The reversal of magnetization and the corresponding EB field is discussed on the basis of the competitive interaction between the antiferromagnetically coupled Cr-rich clusters and Cr–Mn ordered clusters.