Metallic quantum ferromagnets

M Brando, D Belitz, FM Grosche, TR Kirkpatrick - Reviews of modern Physics, 2016 - APS
An overview of quantum phase transitions (QPTs) in metallic ferromagnets, discussing both
experimental and theoretical aspects, is given. These QPTs can be classified with respect to …

Review of U-based Ferromagnetic Superconductors: Comparison between UGe2, URhGe, and UCoGe

D Aoki, K Ishida, J Flouquet - Journal of the Physical Society of …, 2019 - journals.jps.jp
The discovery in 2000 that the ferromagnetic (FM) compound UGe2 (T Curie= 52 K at
ambient pressure) becomes superconducting under a pressure of P= 1.1 GPa until it enters …

Extreme magnetic field-boosted superconductivity

S Ran, IL Liu, YS Eo, DJ Campbell, PM Neves… - Nature physics, 2019 - nature.com
Applied magnetic fields underlie exotic quantum states, such as the fractional quantum Hall
effect and Bose–Einstein condensation of spin excitations. Superconductivity, however, is …

Longitudinal Spin Fluctuations Driving Field-Reinforced Superconductivity in

Y Tokunaga, H Sakai, S Kambe, P Opletal, Y Tokiwa… - Physical Review Letters, 2023 - APS
Our measurements of Te 125 NMR relaxations reveal an enhancement of electronic spin
fluctuations above μ 0 H*∼ 15 T, leading to their divergence in the vicinity of the …

Reentrant Superconductivity Driven by Quantum Tricritical Fluctuations in URhGe: Evidence from NMR in

Y Tokunaga, D Aoki, H Mayaffre, S Krämer… - Physical Review Letters, 2015 - APS
Our measurements of the Co 59 NMR spin-spin relaxation in URh 0.9 Co 0.1 Ge reveal a
divergence of electronic spin fluctuations in the vicinity of the field-induced quantum critical …

Field re-entrant superconductivity induced by the enhancement of effective mass in URhGe

A Miyake, D Aoki, J Flouquet - Journal of the Physical Society of …, 2008 - journals.jps.jp
High quality single crystals of a ferromagnetic superconductor URhGe were successfully
grown. The electrical resistivity was measured for the field along b-axis in the orthorhombic …

[HTML][HTML] Non-Fermi Liquid Regimes and Superconductivity in the Low Temperature Phase Diagrams of Strongly Correlated d- and f-Electron Materials

M Brian Maple, RE Baumbach, NP Butch… - Journal of Low …, 2010 - Springer
Standard models for simple metals and insulators often fail for systems based on elements
with unstable d-or f-electron shells, where strong electronic correlations can generate new …

Transverse and longitudinal magnetic-field responses in the Ising ferromagnets URhGe, UCoGe, and UGe

F Hardy, D Aoki, C Meingast, P Schweiss, P Burger… - Physical Review B …, 2011 - APS
The field dependence of the electronic specific heat γ (H) of URhGe is determined using
temperature-dependent magnetization measurements and Maxwell's relation for all three …

Ferromagnetic superconductors

AD Huxley - Physica C: Superconductivity and its Applications, 2015 - Elsevier
The co-existence of superconductivity and ferromagnetism is of potential interest for
spintronics and high magnetic field applications as well as a fascinating fundamental state of …

Observation of the Meissner-Ochsenfeld Effect and the Absence<? format?> of the Meissner State in UCoGe

C Paulsen, DJ Hykel, K Hasselbach, D Aoki - Physical Review Letters, 2012 - APS
We present low field magnetization and susceptibility measurements made on a single
crystal of the ferromagnetic superconductor UCoGe. The interplay between ferromagnetism …