A record-high trapped field of 5.6 T in the stacking of MgB2/TiB2 composite bulks prepared by an in-situ hot isostatic pressing method

被引：16
|
作者：
Naito, Tomoyuki [1 ]
Takahashi, Yuhei [1 ]
Awaji, Satoshi [2 ]
机构：
[1] Iwate Univ, Fac Sci & Engn, Morioka, Iwate 0208551, Japan
[2] Tohoku Univ, Inst Mat Res, High Field Lab Superconducting Mat, Sendai, Miyagi 9808577, Japan
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2020年 / 33卷 / 12期
关键词：
trapped field; bulk magnet; MgB2/TiB2 composite bulk; MAGNETIC-FIELD; MGB2; BULKS;
D O I：
10.1088/1361-6668/abb203
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the trapped field properties of triple and double stacking of MgB2/TiB2 composite superconductor bulks magnetized by field-cooled magnetization. The triple-stacked MgB2/TiB2 bulks trapped a magnetic field of 5.58 T successfully at 11.3 K, which was only 0.18 T but evidently higher than the world record trapped field of 5.4 T among MgB2 bulk magnets. We also found a potential ability of the present MgB2/TiB2 bulks trapping a 7-T class magnetic field at low temperatures below 4.2 K, although the FCM experiments at both 2.2 and 4.2 K were disturbed by the flux jumps.
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页数：7
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