Bulk MgB2 superconductor with high critical current density synthesized by self-propagating high-temperature synthesis method

• 来源期刊: 中国物理(英文版)
• 关键词: SHS method bulk MgB2 superconductor superconductivity
• 年，卷（期）: 2005,（11）
• 页码范围: 2325-2328
• 页数: 4页
• 语种: 英文

摘要

Pure MgB2 bulk samples are successfully synthesized by self-propagating high-temperature synthesis (SHS)method. The experiments show that the best preheating temperature is 250℃, the highest Jc values of the prepared MgB2 reach 1.5×106A/cm2 (10K, 0.5T) and 1.7×106A/cm2 (20K, 0T), and the MgB2 particle sizes range from 2 to 5μm. The advantages of this method are that it is simple, economical and suitable for the manufacture of bulk MgB2 materials on industrial scale.