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Related papers: Order parameter dynamics in Mn$_3$Sn driven by DC …

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The conduction electrons in a metal experience competing interactions with each other and the atomic nuclei. This competition can lead to many types of magnetic order in metals. For example, in chromium the electrons order to form a…

Strongly Correlated Electrons · Physics 2015-01-30 C. Lester , S. Ramos , R. S. Perry , T. P. Croft , R. I. Bewley , T. Guidi , P. Manuel , D. D. Khalyavin , E. M. Forgan , S. M. Hayden

Realization of efficient spin-orbit torque switching of the N\'eel vector in insulating antiferromagnets is a challenge, often complicated by spurious effects. Quantifying the spin-orbit torques in antiferromagnet/heavy metal…

Materials Science · Physics 2025-02-25 Igor Lyalin , Hantao Zhang , Justin Michel , Daniel Russell , Fengyuan Yang , Ran Cheng , Roland K. Kawakami

Motivated by recent experiments, we present a comprehensive theoretical study of the geometrically frustrated strongly correlated magnetic insulator Mn$_3$O$_4$ spinel oxide based on a microscopic Hamiltonian involving lattice, spin and…

Strongly Correlated Electrons · Physics 2017-08-23 Santanu Pal , Siddhartha Lal

We derive kinetic equations describing injection and transport of spin polarized carriers in organic semiconductors with hopping conductivity via an impurity level. The model predicts a strongly voltage dependent magnetoresistance, defined…

Mesoscale and Nanoscale Physics · Physics 2015-02-06 A. V. Shumilin , V. V. Kabanov , V. A. Dediu

Non-collinear chiral antiferromagnets like Mn3Sn and Mn3Ge are known to show gigantic anomalous Hall response depending on the orientation of their inverse chiral magnetic order of Mn atoms in Kagome layers. Here we study the stability of…

Mesoscale and Nanoscale Physics · Physics 2017-05-03 Hiroyuki Fujita

CsCr$_3$Sb$_5$ is a newly identified strongly correlated kagome superconductor, characterized by non-Fermi-liquid behavior at elevated temperatures and intertwined charge- and spin-density-wave order below $T_{DW}\approx 54$K. Under…

Strongly Correlated Electrons · Physics 2026-01-22 Maria Chatzieleftheriou , Jonas B. Profe , Ying Li , Roser Valentí

Current-induced spin-transfer torques (STT) and spin-orbit torques (SOT) enable the electrical switching of magnetic tunnel junctions (MTJs) in nonvolatile magnetic random access memories. In order to develop faster memory devices, an…

We formulate and quantify the spin-orbit torque (SOT) in intrinsic antiferromagnetic topological insulator $\rm MnBi_2Te_4$ of a few septuple-layer thick, which exhibits conspicuous layer-resolved characteristics. Contrary to known…

Mesoscale and Nanoscale Physics · Physics 2024-03-27 Junyu Tang , Ran Cheng

Cluster magnetic multipoles are order parameters that describe the symmetry of spin arrangements in magnetic materials. High-order multipoles are particularly important in non-collinear antiferromagnets, where they determine key physical…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Myoung-Woo Yoo , Axel Hoffmann

Micromagnetic modeling is employed to optimize the design of artificial synapse devices based on the spin-orbit-torque (SOT) driven domain wall (DW) motion along a nanotrack with triangular notches. Key attributes, such as the thermal…

Applied Physics · Physics 2025-01-28 Guntas Kaur , Tanmoy Pramanik

Photo-Thermoelectric (PTE) response is usually one of the main working mechanisms for photodetectors. However, as another fast and easier way to measure thermoelectric characteristics of materials, it can also reveal important physics such…

Strongly Correlated Electrons · Physics 2023-05-17 Qiang Chen , Jialin Li , Huanfeng Zhu , Tian Zhang , Wei Tang , Hui Xing , Jin Peng , Zhiqiang Mao , Linjun Li

The metallic kagome compound Sc$_3$Mn$_3$Al$_7$Si$_5$ has attracted attention as a candidate platform where geometric frustration and itinerant electrons may cooperate to stabilize a quantum-disordered magnetic ground state. Here, we…

Strongly Correlated Electrons · Physics 2025-12-03 R. Guehne , A. K. Sharma , P. Yanda , J. Noky , J. Sichelschmidt , R. Koban , W. Schnelle , C. Shekhar , M. Baenitz , C. Felser

Spin chirality in antiferromagnets offers new opportunities for spintronics. The kagome antiferromagnet Mn3Sn is a paradigmatic material in which the antiferromagnetic order parameter can be detected and controlled by electrical means.…

In information technology devices, current-driven state switching is crucial in various disciplines including spintronics, where the contribution of heating to the switching mechanism plays an inevitable role. Recently, current-driven…

Materials Science · Physics 2024-05-21 Myoung-Woo Yoo , Virginia O. Lorenz , Axel Hoffmann , David G. Cahill

The influence of spin-orbit coupling (SOC) on the physical properties of the 5d2 system Sr2MgOsO6 is probed via a combination of magnetometry, specific heat measurements, elastic and inelastic neutron scattering, and density functional…

Uniaxial strain experiments have become a powerful tool to unveil the character of unconventional phases of electronic matter. Here we propose a combination of the superconducting fitness analysis and density functional theory (DFT)…

Superconductivity · Physics 2021-11-29 Sophie Beck , Alexander Hampel , Manuel Zingl , Carsten Timm , Aline Ramires

We report detailed magnetization measurements on the perovskite oxide NdNiO$_3$. This system has a first order metal-insulator (M-I) transition at about 200 K which is associated with charge ordering. There is also a concurrent paramagnetic…

Strongly Correlated Electrons · Physics 2016-01-11 Devendra Kumar , K. P. Rajeev , J. A. Alonso , M. J. Martinez-Lope

Using electron spin resonance, lattice position and dynamic properties of Mn2+ ions were studied in 0.5 and 2 % manganese doped SrTiO3 ceramics prepared by conventional mixed oxide method. The measurements showed that Mn2+ ions substitute…

Soft Condensed Matter · Physics 2009-11-13 V. V. Laguta , I. V. Kondakova , I. P. Bykov , M. D. Glinchuk , P. M. Vilarinho , A. Tkach , L. Jastrabik

Sr$_{3}$ZnIrO$_{6}$ is an effective spin one-half Mott insulating iridate belonging to a family of magnets which includes a number of quasi-one dimensional systems as well as materials exhibiting three dimensional order. Here we present the…

Strongly Correlated Electrons · Physics 2020-05-19 P. A. McClarty , A. D. Hillier , D. T. Adroja D. D. Khalyavin , S. Rayaprol , P. Manuel , W. Kockelmann , E. V. Sampathkumaran

Neutron diffraction and magnetic susceptibility studies show that orthorhombic single-crystals of topological semimetals ${\rm Sr(Mn_{0.9}Cu_{0.1})Sb_2}$ and ${\rm Sr(Mn_{0.9}Zn_{0.1})Sb_2}$ undergo three dimensional C-type…