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Research on Magnetic Properties of Nd(Pr)FeB Magnet for Cryogenic Permanent-Magnet Undulator of SSRF
He, YZ; Zhou, QG; Zhang, W; Wang, HF; Zhang, XW; He, YZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China.
2016
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN1051-8223
Volume26Issue:4Pages:
Subtype期刊文献
AbstractIn recent years, the Shanghai Synchrotron Radiation Facility (SSRF) has been studying magnetic properties of Nd(Pr)FeB at low temperature. The results show that with decreasing temperature, the moment of N50M and N48H shows a strong spin reorientation transition near 120 K, and their orientation degree deteriorates gradually. At 120 K, the moment and the coercive force of N48H are 1.50 and 5 T, respectively, which increase by 13.6% and 150% relative to those at normal temperature. With decreasing temperature, the moment of P42H and P46H linearly increases, and their orientation degree increases gradually. At 77 K, the moment and the coercive force of P46H are 1.53 and 7.5 T, respectively, which increase by 16% and 275% relative to those at room temperature. If the cryogenic permanent magnet undulator (CPMU) is not baked above 50 degrees C, N48H and P46H can be applied for the CPMU with a shorter period. In 2014, the SSRF developed the first CPMU20 prototype with N48H in China. Its period length is 20 mm, and its period number is 80. With the gap of 6 mm and at the temperature of 138 K, the effective peak magnetic field and the phase error of the CPMU20 are 1.03 T and 4.5 degrees, respectively.
DOI10.1109/TASC.2016.2540612
Indexed BySCI
Language英语
WOS IDWOS:000374403100001
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25824
Collection中科院上海应用物理研究所2011-2019年
Corresponding AuthorHe, YZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China.
Recommended Citation
GB/T 7714
He, YZ,Zhou, QG,Zhang, W,et al. Research on Magnetic Properties of Nd(Pr)FeB Magnet for Cryogenic Permanent-Magnet Undulator of SSRF[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2016,26(4):—.
APA He, YZ,Zhou, QG,Zhang, W,Wang, HF,Zhang, XW,&He, YZ .(2016).Research on Magnetic Properties of Nd(Pr)FeB Magnet for Cryogenic Permanent-Magnet Undulator of SSRF.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,26(4),—.
MLA He, YZ,et al."Research on Magnetic Properties of Nd(Pr)FeB Magnet for Cryogenic Permanent-Magnet Undulator of SSRF".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 26.4(2016):—.
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