液氮温区超导相含量测定的研究  

CONTENT MEASUREMENT RESEARCH FOR SUPERCONDUCTING PHASE IN THE TEMPERATURE RANGE LIQUID NITROGEN

作　　者：朱传征[1] 俞永勤[1] 肖元达[1] 王昭明[1] 吴仲庆[1] 艾仕云[1] 朱戟[2] 

机构地区：[1]华东师范大学 [2]复旦大学

出　　处：《低温与超导》1989年第3期51-54,共4页Cryogenics and Superconductivity

摘　　要：本文报导用 Faraday 式磁天平测量高 Tc 超导样品 YBa_2Cu_3O(7-x)的直流磁化率,并且提出从磁化率数据计算超导相含量的一种方法。The DC susceptibility of high Tc YBa2Cu3O7-x is studied in the temperature range of liquid nitrogen with a Faraday magnetic balance.We obtain information about the relationship between the susceptibility and the content of susceptibiliting phase.A convenient method is proposed for the determination of the content of superconducting phase from the measurements of DC susceptibility.

关 键 词：液氮温区 Faraday式磁天平 超导相含量 直流磁化率 非均相超导材料 

分 类 号：TM26[一般工业技术—材料科学与工程]