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journal id: "physicalxreviewxb"
| Authors | T.V. Bay, T. Naka, Y.K. Huang, A. de Visser | | Title | Superconductivity in non-centrosymmetric YPtBi under pressure. |
| Journal | Physical Review B |
| Volume | 86 |
| Year | 2012 |
| Pages | 064155- |
| ISSN | 10980121 |
| Faculty | Faculty of Science |
| Institute/dept. | FNWI: Van der Waals-Zeeman Institute (WZI) |
| Abstract | We report a high-pressure single-crystal study of the noncentrosymmetric superconductor YPtBi (Tc=0.77 K). Magnetotransport measurements show a weak metallic behavior with a carrier concentration n≃2.2×1019 cm−3. Resistivity measurements up to p=2.51 GPa reveal superconductivity is promoted by pressure. The reduced upper critical field Bc2(T) curves collapse onto a single curve, with values that exceed the model values for spin-singlet superconductivity. The Bc2 data point to an odd-parity component in the superconducting order parameter, in accordance with predictions for noncentrosymmetric superconductors. |
| Document type | Article |
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