...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Crystal structure and electrical resistivity studies of Dy(Fe_(0.4)Co_(0.6-x)Ni_x)_2 intermetallics
【24h】

Crystal structure and electrical resistivity studies of Dy(Fe_(0.4)Co_(0.6-x)Ni_x)_2 intermetallics

机译：Dy（Fe_（0.4）Co_（0.6-x）Ni_x）_2金属间化合物的晶体结构和电阻率研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

X-ray powder diffraction measurements (295 K) show that the cubic, MgCu_2-type, Fd3m crystal structure appears in Dy(Fe_(0.4)Co_(0.6-x)Ni_x)_2 compounds. The lattice parameter is considerably and weakly nonlinearly reduced with x. The electrical resistivities of the Dy(Fe_(0.4)Co_(0.6-x)Ni_x)_2 intermetallic series were measured over a wide temperature range and the parameters characterising the dependence of resistivity on temperature and composition were determined. In order to separate the residual, phonon and magnetic contributions to total resistivity the Matthiesen formula was used. The magnetic part of the resistivity was used to estimate Curie temperatures. The Curie temperature T_C is strongly and nonlinearly reduced as a result of Co/Ni substitution. The obtained T_C results are related to data known for the Dy(Mn_(1-x)Fe_x)_2 and Dy(Fe_(1-x)Co_x)_2 series.
机译：X射线粉末衍射测量（295 K）表明，在Dy（Fe_（0.4）Co_（0.6-x）Ni_x）_2化合物中出现立方MgCu_2型Fd3m晶体结构。晶格参数被x显着弱地非线性减小。在较宽的温度范围内测量了Dy（Fe_（0.4）Co_（0.6-x）Ni_x）_2金属间化合物系列的电阻率，并确定了表征电阻率对温度和组成的依赖性的参数。为了分离残余，声子和磁对总电阻率的影响，使用了Matthiesen公式。电阻率的磁性部分用于估算居里温度。由于Co / Ni的替代，居里温度T_C强烈且非线性地降低。获得的T_C结果与Dy（Mn_（1-x）Fe_x）_2和Dy（Fe_（1-x）Co_x）_2系列的已知数据有关。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号