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Related papers: Nonlinear magnetotransport in MoTe${}_2$

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We investigate the low-temperature thermoelectric properties of three-dimensional nodal-line semimetals within the semiclassical Boltzmann formalism. Considering short-range interaction between electrons and scattering agents, we calculate…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 Shahin Barati , Saeed H. Abedinpour

A very large negative magnetoresistance (LNMR) is observed in the insulating regime of the antiferromagnet BaMn$_2$Bi$_2$ when a magnetic field is applied perpendicular to the direction of the sublattice magnetization. High perpendicular…

Topological semimetal materials have become a research hotspot due to their intrinsic strong spin-orbit coupling which leads to large charge-to-spin conversion efficiency and novel transport behaviors. In this work, we have observed a…

We report temperature and density dependences of the spin susceptibility of strongly interacting electrons in Si inversion layers. We measured (i) the itinerant electron susceptibility $\chi^*$ from the Shubnikov-de Haas oscillations in…

Strongly Correlated Electrons · Physics 2018-10-09 V. M. Pudalov , A. Yu. Kuntsevich , M. E. Gershenson , I. S. Burmistrov , M. Reznikov

The field-reentrant (field-reinforced) superconductivity on ferromagnetic superconductors is one of the most interesting topics in unconventional superconductivity. The enhancement of effective mass and the induced ferromagnetic…

Strongly Correlated Electrons · Physics 2015-06-22 Dai Aoki , Georg Knebel , Jacques Flouquet

Spin semimetals are a recently discovered new class of spintronic materials, which exhibit a band gap in one spin channel while a semimetallic feature in the other and thus allows for tunable spin transport. Here, we present experimental…

Layered van der Waals semimetallic $T_\mathrm{d}$-WTe$_{2}$, exhibiting intriguing properties which include non-saturating extreme positive magnetoresistance (MR) and tunable chiral anomaly, has emerged as model topological type-II Weyl…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 R. Adhikari , S. Adhikari , B. Faina , M. Terschanski , S. Bork , C. Leimhofer , M. Cinchetti , A. Bonanni

The electrical resistivity for a current moving perpendicular to layers (chains) in quasi-2D (quasi-1D) metals under an applied magnetic field of varying orientation is studied using Boltzmann transport theory. We consider the simplest…

Statistical Mechanics · Physics 2009-11-13 M. F. Smith , Ross McKenzie

We report the angular dependence of three distinct de Haas-van Alphen (dHvA) frequencies of the torque magnetization in the itinerant antiferromagnet CrB2 at temperatures down to 0.3K and magnetic fields up to 14T. Comparison with the…

Strongly Correlated Electrons · Physics 2013-11-26 M. Brasse , L. Chioncel , J. Kunes , A. Bauer , A. Regnat , C. G. F. Blum , S. Wurmehl , C. Pfleiderer , M. A. Wilde , D. Grundler

The undoped three-orbital spin fermion model for the Fe-based superconductors is studied via Monte Carlo techniques in two-dimensional clusters. At low temperatures, the magnetic and one-particle spectral properties are in good agreement…

Strongly Correlated Electrons · Physics 2012-08-14 Shuhua Liang , Gonzalo Alvarez , Cengiz Şen , Adriana Moreo , Elbio Dagotto

Realizing topological semimetal states with novel emergent fermions in magnetic materials is a focus of current research. Based on first-principle calculations and symmetry analysis, we reveal interesting magnetic emergent fermions in an…

Materials Science · Physics 2023-10-19 Yongheng Ge , Ziming Zhu , Zeying Zhang , Weikang Wu , Cong Xiao , Shengyuan A. Yang

Magnetoresistance effects are crucial for understanding the charge/spin transport as well as propelling the advancement of spintronic applications. Here we report the coexistence of magnetic moment-dependent (MD) and magnetic field-driven…

Searching for novel antiferromagnetic materials with large magnetotransport response is highly demanded for constructing future spintronic devices with high stability, fast switching speed, and high density. Here we report a colossal…

Colossal magnetoresistance (CMR) refers to a large change in electrical conductivity induced by a magnetic field in the vicinity of a metal-insulator transition and has inspired extensive studies for decades\cite{Ramirez1997, Tokura2006}.…

Materials Science · Physics 2018-08-01 Zhiyong Qiu , Dazhi Hou , Joseph Barker , Kei Yamamoto , Olena Gomonay , Eiji Saitoh

We predict unidirectional magnetoresistance effects arising in a bilayer composed of a nonmagnetic metal and a ferromagnetic insulator, whereby both longitudinal and transverse resistances vary when the direction of the applied electric…

Mesoscale and Nanoscale Physics · Physics 2025-03-10 M. Mehraeen , Pengtao Shen , Steven S. -L. Zhang

Layered material $\beta$-IrSn$_4$ ($I4_1/acd$, $D^{20}_{4h}$, #142), whose electron bands have symmetry-enforced Dirac points, was investigated using high-quality single crystals. It exhibits a pronounced linear field-dependence of…

We establish theoretically that in nonmagnetic semiconducting bilayer or multilayer thin film systems rolled up into compact quasi-one-dimensional nanoarchitectures, the ballistic magnetoresistance is very anisotropic: conductances depend…

Mesoscale and Nanoscale Physics · Physics 2014-12-10 Ching-Hao Chang , Jeroen van den Brink , Carmine Ortix

We report the magnetotransport properties of ferromagnet (FM)/antiferromagnet (AFM) Fe$_2$CrSi/Ru$_2$MnGe epitaxial bilayers using current-in-plane configurations. Above the critical thickness of the Ru$_2$MnGe layer to induce exchange…

Materials Science · Physics 2017-04-13 T. Hajiri , M. Matsushita , Y. Z. Ni , H. Asano

NbP is a recently realized Weyl semimetal (WSM), hosting Weyl points through which conduction and valence bands cross linearly in the bulk and exotic Fermi arcs appear. However, the most intriguing transport phenomenon of a WSM, the chiral…

In the present study, we have discussed the up-turn behavior in the resistivity pattern of the topological nodal line semimetal InBi. We argued that such nature could be generalized with a mathematical model, that can be applied to any…

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