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We report a detailed study of the magnetization modulus as a function of temperature and applied magnetic field under varying angle in Sr$_{4}$Ru$_{3}$O$_{10}$ close to the metamagnetic transition at $H_{c}\backsimeq 2.5\,$T for $H \perp…

Strongly Correlated Electrons · Physics 2017-09-27 F. Weickert , L. Civale , B. Maiorov , M. Jaime , M. B. Salamon , E. Carleschi , A. M. Strydom , R. Fittipaldi , V. Granata , A. Vecchione

Recent $\mu$SR measurements revealed remarkable signatures of spontaneous magnetism coexisting with superconductivity in elemental rhenium. Here we provide a quantitative theory that uncovers the nature of the superconducting instability by…

Superconductivity · Physics 2023-10-12 Gábor Csire , James Annett , Jorge Quintanilla , Balázs Újfalussy

The normal-state out of which unconventional superconductivity in UTe$_2$ emerges is studied in detail using a variety of thermodynamic and transport probes. Clear evidence for a broad Schottky-like anomaly with roughly R ln 2 entropy…

Superconductivity · Physics 2021-11-17 Kristin Willa , Frédéric Hardy , Dai Aoki , Dexin Li , Paul Wiecki , Gérard Lapertot , Christoph Meingast

A double-exchange mechanism for the emergence of ferromagnetism in cubic uranium compounds is proposed on the basis of a $j$-$j$ coupling scheme. The idea is {\it orbital-dependent duality} of $5f$ electrons concerning itinerant…

Strongly Correlated Electrons · Physics 2009-12-11 Takashi Hotta

The discovery of multiple superconducting phases in UTe2 boosted research on correlated-electron physics. This heavy-fermion paramagnet was rapidly identified as a reference compound to study the interplay between magnetism and…

The influence of hydrostatic pressure and ab-plane strain on the magnetic structure of FeTe is investigated from first principles. The results of calculations reveal a phase transition from antiferromagnetic double-stripe ordering at…

Superconductivity · Physics 2014-02-11 A. Ciechan , M. J. Winiarski , M. Samsel-Czekała

Orthorhombic single crystals of TbMn0.5Fe0.5O3 are found to exhibit spin-reorientation, magnetization reversal and weak ferromagnetism. Strong anisotropy effects are evident in the temperature dependent magnetization measurements along the…

We use neutron diffraction to probe the magnetization components of a crystal of Mn12 single-molecule magnets. Each of these molecules behaves, at low temperatures, as a nanomagnet with spin S = 10 and strong anisotropy along the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. Luis , J. Campo , J. Gomez , G. J. McIntyre , J. Luzon , D. Ruiz-Molina

The reentrant superconductivity is the peculiar phenomenon observed in paramagnetic metal UTe$_2$ in magnetic field parallel to the hard magnetisation axis. It is difficult to explain it in terms of field dependent intensity of magnetic…

Superconductivity · Physics 2020-07-15 V. P. Mineev

We report the magnetoresistance of high-quality single crystals of UTe2 with Tc=2.1K in high magnetic fields up to 36T, with the field direction between the b and c-axes. From the angular dependence of the upper critical field Hc2, we found…

Strongly Correlated Electrons · Physics 2024-10-30 Dai Aoki , Ilya Sheikin , Nils Marquardt , Gerard Lapertot , Jacques Flouquet , Georg Knebel

We report a comprehensive investigation of the anisotropic magnetism and magnetic field-induced transitions in single crystals of the orthorhombic system TbAlGe, a member of the topological RAlGe (R = rare-earth) family with the highest…

Strongly Correlated Electrons · Physics 2026-05-19 Ram Kumar , K. E. Avers , V. Saini , D. S. Sokratov , Y. Anand , P. Saraf , J. A. Horn , N. Brenowitz , S. Otazo , P. Sobel , D. Graf , S. R. Saha , J. Paglione

Influence of disorder-induced Anderson localization and of electron-electron interaction on superconductivity in two-dimensional systems is explored. We determine the superconducting transition temperature $T_c$, the temperature dependence…

Superconductivity · Physics 2015-07-30 I. S. Burmistrov , I. V. Gornyi , A. D. Mirlin

We study the ferromagnetic superconductor UCoGe at ambient pressure under $ab$-plane magnetic fields $\vec{H}$ which are perpendicular to the ferromagnetic easy axis. It is shown that, by taking into account the Dyaloshinskii-Moriya…

Superconductivity · Physics 2016-05-24 Yasuhiro Tada , Shintaro Takayoshi , Satoshi Fujimoto

Using the renormalization group method, new type of fluctuation-driven first order phase transitions and critical phenomena are predicted for certain classes of ferromagnetic superconductors and superfluids with unconventional…

Superconductivity · Physics 2008-08-08 Dimo I. Uzunov

Altermagnetic order, characterized by the N\'{e}el vector, breaks time-reversal symmetry (TRS) even in the nonrelativistic limit. Although spin-polarized and anomalous transport phenomena emerge with this order, they are mutually…

Strongly Correlated Electrons · Physics 2026-05-22 Zheyuan Liu , Shinichiro Asai , Shingo Takahashi , Hiraku Saito , Taro Nakajima , Takatsugu Masuda

Recently discovered superconducting P-doped EuFe$_2$As$_2$ compounds reveal the situation when the superconducting critical temperature substantially exceeds the ferromagnetic transition temperature. The main mechanism of the interplay…

Superconductivity · Physics 2019-03-26 Zh. Devizorova , S. Mironov , A. Buzdin

We study the interplay between antiferromagnetism and superconductivity in a generalized infinite-$U$ Anderson lattice, where both superconductivity and antiferromagnetic order are introduced phenomenologically in mean field theory. In a…

Superconductivity · Physics 2009-11-10 P. D. Sacramento

Magnetoresistance and magnetocaloric properties of polycrystalline HoRhGe have been studied. This compound orders antiferromagnetically with a Neel temperature (TN) of 5.5 K and undergoes a first order metamagnetic transition at 2 K. It…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin B. Gupta , K. G. Suresh , A. K. Nigam

We report our results on two new ternary intermetallic compounds Pr$_{2}$Pd$_{3}$Ge$_{5}$ and Pr$_{2}$Rh$_{3}$Ge$_{5}$ based on magnetic susceptibility, magnetization, specific heat, resistivity and magnetoresistance data. These compounds…

Strongly Correlated Electrons · Physics 2009-11-13 V. K. Anand , Z. Hossain , C. Geibel

Co10Ge3O16 crystallizes in an intergrowth structure featuring alternating layers of spinel and rock salt. Variable-temperature powder synchrotron X-ray and neutron diffraction, magnetometry, and heat capacity experiments reveal a…

Materials Science · Physics 2013-07-12 Phillip T. Barton , Ram Seshadri , Anna Llobet , Matthew R. Suchomel