• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>ICTAP 2012 >Structural and Superconducting Aspects in REBa_2Cu_3O_(7- δ) (RE = Nd, Gd, Eu) Superconductors Prepared by Wetmixing Method and Varying Sintering Temperature
【24h】

Structural and Superconducting Aspects in REBa_2Cu_3O_(7- δ) (RE = Nd, Gd, Eu) Superconductors Prepared by Wetmixing Method and Varying Sintering Temperature

机译：通过湿混法和不同的烧结温度制备REBA_2CU_3O_（7-δ）（RE = ND，GD，GD，GD，欧盟）的结构和超导方面

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The rare-earth copper oxide superconductors of Nd_1Ba_2Cu_3O_(7-δ), Nd_(0.5)Gd_(0.5)Ba_2Cu_3O_(7-δ) and Nd_(0.33)Eu_(0.33)Gd_(0.33)Ba_2Cu_3O_(7-δ) have successfully been synthesized by introducing a wet-mixing method. Sintering was carried out at varying temperatures of 920, 940, 960 and 970°C for 10 hours in air. The effects of sintering temperature on the structural and crystallinity of the synthesized powders was studied using X-ray diffraction techniques. Rietveld analyses gave clearly separated diffraction (013) and (110) peaks at respectively 32.2° and 32.5°, decreasing Goodness-of-Fit, increasing average crystal size and increasing orthorhombicity with increasing sintering temperature from 920 to 970°C. In this research, the superconducting critical temperatures of Nd_(0.5)Gd_(0.5)Ba_2Cu_3O_(7-δ) and Nd_(0.33)Eu_(0.33)Gd_(0.33)Ba_2Cu_3O_(7-δ) powders sintered at 970°C and measured using a SQUID magnetometer was obtained to be about 88-91 K.
机译：ND_1BA_2CU_3O_（7-Δ），ND_（0.5）GD_（0.5）BA_2CU_3O_（7-Δ）和ND_（0.33）GD_（0.33）BA_2CU_3O_（7-Δ）的稀土铜氧化物超导体通过引入湿式混合方法合成。在空气中以920,940,960和970℃的不同温度下进行烧结10小时进行。使用X射线衍射技术研究了烧结温度对合成粉末的结构和结晶度的影响。 RIETVELD分析在32.2°和32.5°分别发出明显分离的衍射（013）和（110）峰，降低了拟合的良好，增加了平均晶体尺寸，随着920至970℃的增加而增加的烧结温度。在该研究中，Nd_（0.5）Gd_（0.5）的超导临界温度（0.5）Ba_2cu_3O_（7-Δ）和Nd_（0.33）Eu_（0.33）Gd_（0.33）Ba_2cu_3O_（7-Δ）粉末在970℃下烧结并测量使用鱿鱼磁力计是约88-91 k。

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