零电阻温度达101.4K钇系高T_c超导体  

THE TEMPERATURE OF ZERO RESISTANCE 101.4K IN YTTRIUM FAMILY

作　　者：金新[1] 金继荣 陈武鸣[1] 张贻瞳 鹿牧[1] 邵惠民[1] 严文华 嵇家本 姚希贤[1] 

机构地区：[1]南京大学物理系,210008

出　　处：《低温物理学报》1990年第4期296-298,共3页Low Temperature Physical Letters

摘　　要：我们研制了YBa_2(Cu_(1-x)Sn_x)3O_(7-δ)超导体,其中 x=0.01,0.02,0.03,0.04,0.05.发现当 x=0.03时,零电阻温度达92K.但是经过适当剂量中子和γ-射线辐照后,该样品零电阻温度达101.4K.The general formulaYBa2(Cu1-xSnx)3O7-δ,whrer x=0.01,0.02,0.03,0.04,0.05,is discussed.We observed that the temperature of zero resistance was 92K when x=0.03,and it could be 101.4K when the sample was irradiated by neutron beam and γ-ray in certain dose.

关 键 词：氧化物 超导体 零电阻 温度 钇系 

分 类 号：O511.2[理学—低温物理]