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journal id: "physicalxreviewxletters"
| Authors | E. Slooten, T. Naka, A. Gasparini, Y.K. Huang, A. de Visser | | Title | Enhancement of superconductivity near the ferromagnetic quantum critical point in UCoGe |
| Journal | Physical Review Letters |
| Volume | 103 |
| Year | 2009 |
| Issue | 9 |
| Pages | 097003- |
| ISSN | 00319007 |
| Faculty | Faculty of Science |
| Institute/dept. | FNWI: Van der Waals-Zeeman Institute (WZI) |
| Abstract | We report a high-pressure single crystal study of the superconducting ferromagnet UCoGe. Measurements of the ac susceptibility and resistivity under pressures up to 2.2 GPa show ferromagnetism is smoothly depressed and vanishes at a critical pressure p(c)=1.4 GPa. Near the ferromagnetic critical point superconductivity is enhanced. Upper-critical field measurements under pressure show B-c2(0) attains remarkably large values, which provides solid evidence for spin-triplet superconductivity over the whole pressure range. The obtained p-T phase diagram reveals superconductivity is closely connected to a ferromagnetic quantum-critical point hidden under the superconducting "dome." |
| Document type | Article |
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