期刊
PHYSICAL REVIEW B
卷 86, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.184416
关键词
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资金
- Euromagnet II via the EU [RII3-CT-2004-506239]
- ERC
- Grants-in-Aid for Scientific Research [22740241] Funding Source: KAKEN
We report magnetization and magnetoresistivity measurements on the isostructural ferromagnetic superconductors UCoGe and URhGe in magnetic fields up to 60 T and temperatures from 1.5 to 80 K. At low temperature, a moment polarization in UCoGe in a field mu H-0 parallel to b of around 50 T leads to well-defined anomalies in both magnetization and magnetoresistivity. These anomalies vanish in temperatures higher than 30-40 K, where maxima in the magnetic susceptibility and the field-induced variation of the magnetoresistivity are found. A comparison is made between UCoGe and URhGe, where a moment reorientation in a magnetic field mu H-0 parallel to b of 12 T leads to field-induced reentrant superconductivity.
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