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Related papers: Field induced phases in UPt2Si2

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We have measured Hall effect, magnetotransport and magnetostriction on the field induced phases of single crystalline UPt$_2$Si$_2$ in magnetic fields up to 60\,T at temperatures down to 50\,mK. For the magnetic field applied along the $c$…

Strongly Correlated Electrons · Physics 2017-04-19 D. Schulze Grachtrup , N. Steinki , S. Süllow , Z. Cakir , G. Zwicknagl , Y. Krupko , I. Sheikin , M. Jaime , J. A. Mydosh

We report the high-field induced magnetic phase in single crystal of U(Ru0.92Rh0.08)2Si2. Our neutron study combined with high-field magnetization, shows that the magnetic phase above the first metamagnetic transition at Hc1 = 21.6 T has an…

Strongly Correlated Electrons · Physics 2017-10-25 K. Prokes , M. Bartkowiak , O. Rivin , O. Prokhnenko , T. Foerster , S. Gerischer , R. Wahle , Y. -K. Huang , J. A. Mydosh

A structural orthorhombic-to-tetragonal phase transition was recently discovered in the heavy-fermion compound UTe$_2$ at a pressure $p^*\simeq3-8$~GPa [Honda \textit{et al.}, J. Phys. Soc. Jpn. \textbf{92}, 044702 (2023); Huston \textit{et…

Strongly Correlated Electrons · Physics 2025-06-23 T. Thebault , D. Braithwaite , G. Lapertot , D. Aoki , G. Knebel , W. Knafo

We have performed magnetization measurements at high magnetic fields of up to 53 T on single crystals of a uranium heavy-fermion compound U$_2$Zn$_{17}$ grown by the Bridgman method. In the antiferromagnetic state below the N\'{e}el…

We report the high-field induced magnetic phases and phase diagram of a high quality \urxrs~single crystal prepared using a modified Czochralski method. Our study, that combines high-field magnetization and electrical resistivity…

Strongly Correlated Electrons · Physics 2019-01-08 K. Prokes , T. Förster , Y. -K. Huang , J. A. Mydosh

Superconductivity induced by a magnetic field near metamagnetism is a striking manifestation of magnetically-mediated superconducting pairing. After being observed in itinerant ferromagnets, this phenomenon was recently reported in the…

Superconductivity · Physics 2021-03-09 W. Knafo , M. Nardone , M. Valiska , A. Zitouni , G. Lapertot , D. Aoki , G. Knebel , D. Braithwaite

We report thermoelectric and resitivity measurements of antiferromagnetic heavy fermion compound YRh2Si2 at low temperatures down and under high magnetic field. At low temperature, the thermoelectric power and the resistivity present…

Strongly Correlated Electrons · Physics 2013-04-23 A. Pourret , G. Knebel , G. Lapertot , T. D. Matsuda , J. Flouquet

The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

Strongly Correlated Electrons · Physics 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

A study of the antiferromagnet CeRh$_2$Si$_2$ by torque, magnetostriction, and transport in pulsed magnetic fields up to 50 Tesla and by thermal expansion in static fields up to 13 Tesla is presented. The magnetic field-temperature phase…

Strongly Correlated Electrons · Physics 2010-03-16 W. Knafo , D. Aoki , D. Vignolles , B. Vignolle , Y. Klein , C. Jaudet , A. Villaume , C. Proust , J. Flouquet

The recent experimental finding of large-amplitude antiferromagnetism induced by uniaxial strain shows that the "hidden" low-field order of URu2Si2 breaks time reversal invariance. We propose a new crystal field model which supports…

Strongly Correlated Electrons · Physics 2016-08-31 Annamaria Kiss , Patrik Fazekas

Magnetization, electrical resistivity and specific heat measurements were performed on high-quality single crystalline SmTi$_2$Al$_{20}$ (residual resistivity ratio $\sim$ 40) grown by Al self-flux method. A Kondo-like $\log T$ dependence…

Strongly Correlated Electrons · Physics 2011-08-24 Ryuji Higashinaka , Takuya Maruyama , Akihiro Nakama , Ryoichi Miyazaki , Yuji Aoki , Hideyuki Sato

Several unconventional superconducting phases have been discovered close to a metamagnetic transition in the heavy-fermion compound UTe$_2$. Although suspected to be of magnetic nature, the mechanisms stabilizing these superconducting…

We examine the magnetic and electrical transport properties of the hexagonal EuIn2As2 compound, combining experimental and theoretical results. This compound is predicted to be an axion-insulator from an electronic point of view and an…

We present thermal expansion and magnetostriction measurements on a CeCu2Si2 single crystal of A/S-type up to 17.9T magnetic field applied along the crystallographic a-direction (Delta L ll a ll H) and down to 0.015K temperature. We…

Strongly Correlated Electrons · Physics 2018-08-15 Franziska Weickert , Philipp Gegenwart , Christoph Geibel , Wolf Assmus , Frank Steglich

The discovery of superconductivity in the heavy-fermion paramagnet UTe$_2$ has attracted a lot of attention, particularly due to the reinforcement of superconductivity near pressure- and magnetic-field-induced magnetic quantum phase…

Superconductivity · Physics 2022-01-05 M. Vališka , W. Knafo , G. Knebel , G. Lapertot , D. Aoki , D. Braithwaite

An antiferromagnetic transition is observed in single crystal EuRh2As2 at a high temperature T_N = 47 K compared to the ferromagnetic Weiss temperature theta = 12 K. We show that this is, surprisingly, consistent with mean field theory. A…

Strongly Correlated Electrons · Physics 2010-11-12 Yogesh Singh , Y. Lee , B. N. Harmon , D. C. Johnston

We have studied the ultrasonic velocity and ac susceptibility of $URu_2Si_2$ in d. c. magnetic fields up to 45T. A significant difference between the constructed H-T phase diagram and that extracted from earlier pulsed fields measurements…

Strongly Correlated Electrons · Physics 2007-05-23 A. Suslov , J. B. Ketterson , D. G. Hinks , Bimal K. Sarma

We present different transport measurements up to fields of 29~T in the recently discovered heavy-fermion superconductor UTe$_{2}$ with magnetic field $H$ applied along the easy magnetization a-axis of the body-centered orthorhombic…

We present magnetoresistivity measurements on the heavy-fermion superconductor UTe$_{2}$ in pulsed magnetic fields $\mu_0H$ up to 68~T and temperatures $T$ from 1.4 to 80~K. Magnetic fields applied along the three crystallographic…

We performed AC calorimetry and magnetoresistance measurements under pressure for H || a-axis (easy-magnetization axis) in the novel heavy-fermion superconductor UTe2. Thanks to the thermodynamic information, multiple superconducting phases…

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