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Study of the magnetic properties of URu2Si2 under uniaxial stress by neutron scattering
Frederic Bourdarot, Nicolas Martin, Stephane Raymond +4
The aim of this study is to compare the magnetic behavior of URu2Si2 under uniaxial stress along the a-axis with the behavior under hydrostatic pressure. Both are very similar, but…
Details of Sample Dependence and Transport Properties of URu2Si2
Tatsuma D. Matsuda, Elena Hassinger, Dai Aoki +8
Resistivity and specific heat measurements were performed in the low carrier unconventional superconductor URu2Si2 on various samples with very different qualities. The superconduc…
Ferromagnetism and Superconductivity in Uranium Compounds
Dai Aoki, Jacques Flouquet
Recent advances on ferromagnetic superconductors, UGe2, URhGe and UCoGe are presented. The superconductivity (SC) peacefully coexists with the ferromagnetism (FM), forming the spin…
Strong Longitudinal Magnetic Fluctuations near Critical End Point in UCoAl: A ^59Co-NMR Study
Hiroki Nohara, Hisashi Kotegawa, Hideki Tou +7
We report ^59Co-NMR measurements in UCoAl where a metamagnetism occurs due to enhancement of ferromagnetism by magnetic field. The metamagnetic transition from a paramagnetic (PM)…
Ferromagnetic Quantum Critical Endpoint in UCoAl
Dai Aoki, Tristan Combier, Valentin Taufour +4
Resistivity and magnetostriction measurements were performed at high magnetic fields and under pressure on UCoAl. At ambient pressure, the 1st order metamagnetic transition at H_m…
Evolution toward Quantum Critical End Point in UGe_2
Hisashi Kotegawa, Valentin Taufour, Dai Aoki +2
We report on Hall resistivity and electrical resistivity measurements under pressure and magnetic field in UGe_2 with ferromagnetic (FM) tricriticality. The Hall resistivity sensit…