Lifshitz Transitions in the Ferromagnetic Superconductor UCoGe
Gaël Bastien, Adrien Gourgout, Dai Aoki, Alexandre Pourret, Ilya Sheikin, Gabriel Seyfarth, Jacques Flouquet, Georg Knebel
DOI 10.1103/PhysRevLett.117.206401 · Physical Review Letters
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We present high field magnetoresistance, Hall effect and thermopower measurements in the Ising-type ferromagnetic superconductor UCoGe. A magnetic field is applied along the easy magnetization c axis of the orthorhombic crystal. In the different experimental probes, we observed five successive anomalies at H≈4, 9, 12, 16, and 21 T. Magnetic quantum oscillations were detected both in resistivity and thermoelectric power. At most of the anomalies, significant changes of the oscillation frequencies and the effective masses have been observed, indicating successive Fermi surface instabilities induced by the strong magnetic polarization under a magnetic field.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UCoGe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.6 | Pressure not reported | unknown |
Similar papers
Magnetism and superconductivity in ferromagnetic heavy-fermion system UCoGe under in-plane magnetic fields
similarity 0.95Yasuhiro Tada et al.
Source status unknown — claims are unverified
Conserved nonlocal dynamics and critical behavior of uranium ferromagnetic superconductors
similarity 0.95Rohit Singh et al.
Source status unknown — claims are unverified
Fermi surface and Lifshitz transitions of a ferromagnetic superconductor under external magnetic fields
similarity 0.95R. Leenen et al.
Source status unknown — claims are unverified
Anisotropic Critical Magnetic Fluctuations in the Ferromagnetic Superconductor UCoGe
similarity 0.95C. Stock et al.
Source status unknown — claims are unverified
Superconductivity Induced by Longitudinal Ferromagnetic Fluctuations in UCoGe
similarity 0.95T. Hattori et al.
Source status unknown — claims are unverified
Superconductivity on the Border of Weak Itinerant Ferromagnetism in UCoGe
similarity 0.94N. T. Huy et al.
Source status unknown — claims are unverified