NEW HIGH-T(C) CUPRATE (TL1-XCRX)(SR2-YBAY)CA2CU3O9

被引:11
作者
CHEN, ZY [1 ]
SHENG, ZZ [1 ]
TANG, YQ [1 ]
LI, YF [1 ]
WANG, LM [1 ]
PEDERSON, DO [1 ]
机构
[1] UNIV SCI & TECHNOL CHINA, DEPT APPL CHEM, HEFEI 230026, PEOPLES R CHINA
关键词
D O I
10.1063/1.109130
中图分类号
O59 [应用物理学];
学科分类号
摘要
A new series of 1223-type (T1,Cr)-based cuprates, (T1,Cr)(Sr,Ba)2Ca2Cu3Oz, have been successfully synthesized and identified by powder x-ray diffraction and electron diffraction analyses. Ba partial substitution for Sr promotes the formation of (T1,Cr)-based 1223-type compounds. Nominal samples, (Tl1-xCrx)-(Sr2-yBay) Ca2Cu3Oz, with 0.15 less-than-or-equal-to x less-than-or-equal-to 0.50 and 0.50 less-than-or-equal-to y less-than-or-equal-to 1.50 are pure or nearly pure 1223 phase and exhibit T(c)(rho=0) in the range of 104-114 K. This new (Tl,Cr)-based high-T(c) material may be of importance in practical applications.
引用
收藏
页码:3034 / 3036
页数:3
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