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We study the charge and spin dependent scattering in a set of CoFeB thin films whose crystalline order is systematically enhanced and controlled by annealing at increasingly higher temperatures. Terahertz conductivity measurements reveal…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Kumar Neeraj , Apoorva Sharma , Maria Almeida , Patrick Matthes , Fabian Samad , Georgeta Salvan , Olav Hellwig , Stefano Bonetti

Phase change materials can be reversibly switched between amorphous and crystalline states and often show strong contrast in the optical and electrical properties of these two phases. They are now in widespread use for optical data storage,…

Mesoscale and Nanoscale Physics · Physics 2012-11-06 Nicholas P. Breznay , Hanno Volker , Alexander Palevski , Riccardo Mazzarello , Aharon Kapitulnik , Matthias Wuttig

Altermagnets with nonrelativistic momentum-dependent spin splitting and compensated net magnetic moments have recently garnered significant interest in spintronics, particularly as pinning layers in magnetic tunnel junctions (MTJs).…

Materials Science · Physics 2026-04-10 Long Zhang , Guangxin Ni , Junjie He , Guoying Gao

Altermagnets are a promising class of materials for spintronic applications. However, compounds that simultaneously combine the symmetry required to support an anomalous Hall effect with good metallic conductivity and magnetic ordering…

We report transport measurement in zero and applied magnetic field on a single crystal of NbAs. Transverse and longitudinal magnetoresistance in the plane of this tetragonal structure does not saturate up to 9 T. In the transverse…

Materials Science · Physics 2015-06-24 N. J. Ghimire , Yongkang Luo , M. Neupane , D. J. Williams , E. D. Bauer , F. Ronning

Altermagnets have attracted considerable attention in recent years owing to their potential technological applications in spintronics and magnonics. Recently, a new class of spontaneous altermagnets has been theoretically predicted in a…

Strongly Correlated Electrons · Physics 2026-03-02 Nitin Kaushal , Adarsh S. Patri , Marcel Franz

We report the results of our detailed magnetotransport studies on single crystals of the antiferromagnetic heavy-fermion superconductor Ce$_3$PdIn$_{11}$. Electrical resistivity measurements, carried out in different magnetic field…

Superconductivity · Physics 2019-02-26 Debarchan Das , Daniel Gnida , Dariusz Kaczorowski

We report the observation of an extreme magnetoresistance (XMR) in HoBi with a large magnetic moment from Ho f-electrons. Neutron scattering is used to determine the magnetic wave vectors across several metamagnetic (MM) transitions on the…

Materials Science · Physics 2018-08-01 H. -Y. Yang , J. Gaudet , A. A. Aczel , D. E. Graf , P. Blaha , B. D. Gaulin , Fazel Tafti

Recent works have predicted materials featuring bands with a large spin-splitting distinct from ferromagnetic and relativistically spin-orbit coupled systems. Materials displaying this property are known as altermagnets and feature a…

Superconductivity · Physics 2023-08-15 Chi Sun , Arne Brataas , Jacob Linder

We investigate the c-direction conduction in CrSBr in the linear regime, not accessible in other van der Waals (vdW) magnetic semiconductors, because of the unmeasurably low current. The resistivity -- $10^8$ to $10^{11}$ times larger than…

We present the magnetic field dependencies of transport properties for $R$PtBi ($R$ = Gd, Dy, Tm, and Lu) half-Heusler compounds. Temperature and field dependent resistivity measurements of high quality $R$PtBi single crystals reveal an…

Strongly Correlated Electrons · Physics 2016-03-30 Eundeok Mun , Sergey L. Bud'ko , Paul C. Canfield

Altermagnets constitute a new class of magnetic materials that combine properties previously thought to be exclusive to either antiferromagnets or ferromagnets, and have unique properties of their own. In particular, a combination of…

Detailed analyses are made on previously published data for multi-walled carbon nanotubes. The field dependence of the Hall voltage, the temperature dependence of the Hall coefficient, and the magnetoresistance effect (Phys. Rev. Lett. 72,…

Superconductivity · Physics 2007-05-23 Guo-meng Zhao

We present a study of the magnetoresistance and Hall effect in the narrow-gap semiconductor FeSb2 at low temperatures. Both the electrical and Hall resistivities show unusual magnetic field dependence in the low-temperature range where a…

Strongly Correlated Electrons · Physics 2015-06-03 H. Takahashi , R. Okazaki , Y. Yasui , I. Terasaki

Altermagnetism represents a type of collinear magnetism, that is in some aspects distinct from ferromagnetism and from conventional antiferromagnetism. In contrast to the latter, sublattices of opposite spin are related by spatial rotations…

Quantum Gases · Physics 2024-11-26 Purnendu Das , Valentin Leeb , Johannes Knolle , Michael Knap

Materials with high carrier mobility showing large magnetoresistance (MR) have recently received much attention because of potential applications in future high-performance magneto-electric devices. Here, we report on the discovery of an…

Kagome magnet usually hosts nontrivial electronic or magnetic states drawing great interests in condensed matter physics. In this paper, we report a systematic study on transport properties of kagome magnet TmMn$_6$Sn$_6$. The prominent…

Strongly Correlated Electrons · Physics 2022-11-21 Bin Wang , Enkui Yi , Leyi Li , Jianwei Qin , Bing-Feng Hu , Bing Shen , Meng Wang

Recent experiments found superconductivity in nonmagnetic MnB$_4$ with a high critical temperature ($T_{c}$) reaching 14 K at 158 GPa. However, ab initio calculations of the electron-phonon coupling predict a $T_{c}$ below 1 K, suggesting…

Superconductivity · Physics 2026-04-24 Danylo Radevych , Mercè Roig , Daniel F. Agterberg , Igor I. Mazin

Building on previous work, we calculate the temperature- and frequency-dependent {\it anomalous} Hall conductivity for the putative multiband chiral superconductor $\Sr$ using a simple microscopic two-orbital model without impurities. A…

Superconductivity · Physics 2013-08-01 Edward Taylor , Catherine Kallin

The material dependence of hot electron magnetotransport in a spin-valve transistor has been theoretically explored. We calculate the parallel and anti-parallel collector current changing the types and relative spin orientation of the…

Condensed Matter · Physics 2007-05-23 Jisang Hong