Anomalous magnetic ordering in PrBa2Cu4O8 and CmBa2Cu3O7

被引：0
|
作者：
Blackstead, H. A. [1 ]
Smylie, M. P. [1 ]
Yelon, W. B. [2 ,3 ]
Cai, Q. [4 ]
Kahveci, M. [4 ]
机构：
[1] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
[2] Univ Missouri, Mat Res Ctr, Rolla, MO 65401 USA
[3] Univ Missouri, Dept Chem, Rolla, MO 65401 USA
[4] Univ Missouri, Dept Phys, Columbia, MO 65211 USA
来源：
PHYSICAL REVIEW B | 2008年 / 77卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.77.014436
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A review of temperature-dependent magnetization data for nonsuperconducting PrBa2Cu4O8 and CmBa2Cu3O7 suggests that the failure of each to superconduct is related to the presence of Pr and Cm on their respective Ba sites. This defect is manifested, in each case, by short c-axis lattice parameters and anomalous high-temperature magnetic ordering which has been incorrectly attributed to ordering of the entire magnetic sublattice. Instead, it is shown that the anomalous high-temperature ordering as seen in the magnetization data is consistent with the ordering of magnetic ions substituted on the Ba site.
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页数：5
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