A formula for calculating the errors of superconducting magnetization curve

被引：1
|
作者：
Guo, SQ
Liu, ML
Zheng, DN
Zhao, BR
机构：
[1] Chinese Acad Sci, Inst Phys, Natl Lab Superconduct, Beijing 100080, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
来源：
CHINESE PHYSICS | 2001年 / 10卷 / 07期
关键词：
SQUID magnetometer; errors of superconducting magnetization; measurement; formula for calculating the errors;
D O I：
10.1088/1009-1963/10/7/315
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Because of field inhomogeneity in the magnetisation measurement system, large errors may exist in the decreasing field superconducting magnetization curves, but not in the increasing field curves. The physical origin of the large errors is proposed here. A simple formula for calculating the errors is given. This formula is consistent with the experimental data.
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页码：658 / 661
页数：4
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