282 citations · 1.1k across the 44 of their papers we have counts for
27 papers · 1 filter
Metamagnetism in UTe2: the roles of itinerancy and localization
Theodore I. Weinberger, Daniel Shaffer, Zheyu Wu +12
The metamagnetic transition in UTe plays a key role in stabilizing two enigmatic field-induced superconducting phases. One of these phases (SC2) is truncated by the transition,…
Multiple superconducting phases and order-parameter evolution in pressurized UTe
Shuo Zou, Fengrui Shi, Zhuolun Qiu +24
The recently discovered heavy-fermion spin-triplet superconductor candidate UTe provides a rich platform for unconventional pairing and topological phenomena. However, limited…
Crystal-Field--Driven Magnetoelectric Coupling in the Non-Kramers Hexaaluminate PrMgAl11O19
Sonu Kumar, Gaël Bastien, Ross H. Colman +7
We report broadband dielectric spectra of the non-Kramers hexaaluminate PrMgAl\textsubscript{11}O\textsubscript{19}, revealing a pronounced interplay between permittivity and magne…
Strange metallicity encompasses high magnetic field-induced superconductivity in UTe2
T. I. Weinberger, H. Chen, Z. Wu +9
A strange metallic state - characterized by an electrical resistivity that rises linearly in temperature at a rate governed by Planckian energetic dissipation - is present in a…
Metamagnetic ripples in the UTe2 high magnetic field phase diagram
Zheyu Wu, Hanyi Chen, Mengmeng Long +11
The heavy fermion metamagnet uranium ditelluride possesses two distinct magnetic field--induced superconducting states. One of these superconductive phases resides at magnetic fiel…
A frustrated antipolar phase analogous to classical spin liquids
G. Bastien, D. Repček, A. Eliáš +17
The study of magnetic frustration in classical spin systems was motivated by the prediction and discovery of classical spin liquid states. These uncommon magnetic phases are charac…
Dramatic elastic response at the critical end point in UTe
Michal Vališka, Tetiana Haidamak, Andrej Cabala +10
The first-order transition line in the \textit{H-T} phase diagram of itinerant electron metamagnets terminates at the critical end point-analogous to the critical point on the gas-…
Anisotropic signatures of the electronic correlations in the electrical resistivity of UTe
T. Thebault, W. Knafo, M. Vališka +5
Multiple unconventional superconducting phases are suspected to be driven by magnetic fluctuations in the heavy-fermion paramagnet UTe, and a challenge is to identify the signa…
Crystallographic and magnetic structure of UNiB
J. Willwater, S. Süllow, M. Reehuis +8
We present an extensive powder and single-crystal neutron scattering investigation of the crystallographic structure and magnetic order of the frustrated metallic -electron magn…
Electric Quadrupolar Contributions in the Magnetic Phases of UNiB
T. Yanagisawa, H. Matsumori, H. Saito +10
We present acoustic signatures of the electric quadrupolar degrees of freedom in the honeycomb-layer compound UNiB. The transverse ultrasonic mode shows softening belo…
Field-Induced Superconductivity near the Superconducting Critical Pressure in UTe2
Dai Aoki, Motoi Kimata, Yoshiki J. Sato +12
We report the magnetoresistance in the novel spin-triplet superconductor UTe2 under pressure close to the critical pressure Pc, where the superconducting phase terminates, for fiel…
Magnetic and electronic phases of URhSi
J. Willwater, N. Steinki, R. Reuter +7
We present a detailed study of the magnetic and electronic properties of URhSi, a material that has been demonstrated to exhibit a first order antiferromagnetic phase t…
Anisotropy of the Upper Critical Field in the Heavy-Fermion Superconductor UTe2 under Pressure
Georg Knebel, Motoi Kimata, Michal Vališka +12
We studied the anisotropy of the superconducting upper critical field in the heavy-fermion superconductor UTe under hydrostatic pressure by magnetoresistivity meas…
Spin-Triplet Superconductivity in UTe2 and Ferromagnetic Superconductors
Dai Aoki, Ai Nakamura, Fuminori Honda +13
The spin-triplet state is most likely realized in uranium ferromagnetic superconductors, UGe2, URhGe, UCoGe. The microscopic coexistence of ferromagnetism and superconductivity mea…
Multiple superconducting phases in a nearly ferromagnetic system
D. Braithwaite, M. Valiska, G. Knebel +7
Multiple superconducting order parameters are extremely rare. Here we show that a very small pressure can induce this phenomenon in the recently discovered heavy fermion supercondu…
Field-reentrant superconductivity close to a metamagnetic transition in the heavy-fermion superconductor UTe
Georg Knebel, William Knafo, Alexandre Pourret +12
We present a study of the upper critical field of the newly discovered heavy fermion superconductor UTe by magnetoresistivity measurements in pulsed magnetic fields up to 60~T…
Unconventional Superconductivity in Heavy Fermion UTe2
Dai Aoki, Ai Nakamura, Fuminori Honda +13
We grew single crystals of the recently discovered heavy fermion superconductor UTe2, and measured the resistivity, specific heat and magnetoresistance. Superconductivity (SC) was…
Magnetic field induced phenomena in UIrGe in fields applied along b axis
Jiri Pospisil, Yoshinori Haga, Yoshimitsu Kohama +11
The metamagnetic transition between the antiferromagnetic and paramagnetic state in UIrGe has been studied at various temperatures by magnetization, heat capacity and magnetocalori…
Magnetoelastic phenomena in antiferromagnetic uranium intermetallics: the case
M. Vališka, H. Saito, T. Yanagisawa +10
Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a single crystal. They r…
Neutron Diffraction Study on Single-crystalline UAuSi
Chihiro Tabata, Milan Klicpera, Bachir Ouladdiaf +6
Magnetic structure of tetragonal UAuSi was investigated by single-crystal neutron diffraction experiments. Below = 20 K it orders antiferromagnetically with a p…
Effect of lattice distortion on U magnetic moments in studied by polarized neutron diffraction
Michal Vališka, Milan Klicpera, Petr Doležal +4
Small spontaneous lattice distortion of a cubic ferromagnet at temperatures below is expected, but usually a neglected phenomenon. This study is focused on such ef…
Uranium ferromagnet with negligible magnetocrystalline anisotropy -
Michal Vališka, Martin Diviš, Vladimír Sechovský
Strong magnetocrystalline anisotropy is a well-known property of uranium compounds. The almost isotropic ferromagnetism in reported in this paper repre…
Peculiar Magnetism of UAuSi
Chihiro Tabata, Naoyuki Miura, Klára Uhlířová +6
Single-crystalline UAuSi has been grown by a floating-zone melting method, and its magnetic, thermal and transport properties have been investigated through measurements of…
Gradual localization of 5f states in orthorhombic UTX ferromagnets - polarized neutron diffraction study of Ru substituted UCoGe
Michal Valiska, Jiri Pospisil, Anne Stunault +13
We report on a microscopic study of the evolution of ferromagnetism in the Ru substituted ferromagnetic superconductor (FM SC) UCoGe crystallizing in the orthorhombic TiNiSi-type s…