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Layered topologically non-trivial and trivial semimetals with AFM-type ordering of magnetic sublattice are known to exhibit a negative magnetoresistance that is well correlated with AFM magnetization changes in a magnetic field. This effect…

Mesoscale and Nanoscale Physics · Physics 2024-05-29 P. D. Grigoriev , N. S. Pavlov , I. A. Nekrasov , I. R. Shein , A. V. Sadakov , O. A. Sobolevskiy , E. Maltsev , N. Perez , L. Veyrat , V. M. Pudalov

Fe-based shape memory alloys (Fe-SMAs) belong to smart metallic materials that can memorize or restore their preset shape after experiencing a substantial amount of deformation under heat, stress, or magnetic stimuli. Fe-SMAs have…

Applied Physics · Physics 2024-09-27 Anwar Algamal , Hossein Abedi , Umesh Gandhi , Othmane Benafan , Mohammad Elahinia , Ala Qattawi

Although the relationship between magnetostriction and magnetic damping is often described phenomenologically, their intrinsic connection remains unclear. In this study, we demonstrate that the magnitude of magnetic damping depends on the…

Materials Science · Physics 2025-12-01 Ivan Kurniawan , Keita Ito , Takeshi Seki , Keisuke Masuda , Yoshio Miura

Light transition metals have recently emerged as a sustainable material class for efficient spin-charge interconversion. We report measurements of current-induced spin-orbit torques generated by Ni$_{1-x}$Cu$_{x}$ alloys in perpendicularly…

Solid-solution strengthening results from solutes impeding the glide of dislocations. Existing theories of strength rely on solute-dislocation interactions, but do not consider dislocation core structures, which need an accurate treatment…

Materials Science · Physics 2012-08-27 Joseph A. Yasi , Louis G. Hector, , Dallas R. Trinkle

Antiferromagnets are magnetically ordered materials which exhibit no net moment and thus are insensitive to magnetic fields. Antiferromagnetic spintronics aims to take advantage of this insensitivity for enhanced stability, while at the…

The magnetic correlations in the austenite phase and the consequent martensitic transition in inverse magnetocaloric alloys, Ni$_{2}$Mn$_{1+x}$Sn$_{1-x}$, have been a matter of debate for decades. We conclusively establish using {\it ab…

Strongly Correlated Electrons · Physics 2018-11-13 Vijay Singh , Ambroise van Roekeghem , S. K. Panda , S. Majumdar , Natalio Mingo , I Dasgupta

In order to combine silicon technology with the functionality of magnetic systems, a number of ferromagnetic (FM) materials have been suggested for the fabrication of metal/semiconductor heterojunctions. In this work, we present a…

Materials Science · Physics 2007-05-23 Hua Wu , Peter Kratzer , Matthias Scheffler

Effects of alloying on the electronic and magnetic properties of Mn$_{x}$Co$_{y}$ ($x+y$=$n$=2-5; $x$=0-$n$) and Mn$_2$Co$_{11}$ nanoalloy clusters are investigated using the density functional theory (DFT). Unlike the bulk alloy, the…

Atomic and Molecular Clusters · Physics 2008-07-24 Shreemoyee Ganguly , Mukul Kabir , Soumendu Datta , Biplab Sanyal , Abhijit Mookerjee

The growing demand for artificial intelligence and complex computing has underscored the urgent need for advanced data storage technologies. Spin-orbit torque (SOT) has emerged as a leading candidate for high-speed, high-density magnetic…

We present a study of the electronic structure and magnetism of Co$_2$MnAl, CoMnVAl and their heterostructure. We employ a combination of density-functional theory and dynamical mean-field theory (DFT+DMFT). We find that Co$_2$MnAl is a…

Materials Science · Physics 2018-01-12 Igor Di Marco , Andreas Held , Samara Keshavarz , Yaroslav O. Kvashnin , Liviu Chioncel

First-principles calculations are performed to study the electronic structures and topological phases of magnetic layered materials MnBi2Te4, MnBi2Se4 and MnSb2Te4 under different film thicknesses, strains and spin-orbit coupling (SOC)…

Computational Physics · Physics 2021-04-14 Ping Li , Jiangying Yu , Ying Wang , Weidong Luo

We study Ni80Fe20-based permalloys with the relativistic spin-polarized Korringa-Kohn-Rostoker electronic structure method. Treating the compositional disorder with the coherent potential approximation, we investigate how the…

Materials Science · Physics 2009-11-10 S. Ostanin , J. B. Staunton , S. S. A. Razee , B. Ginatempo , Ezio Bruno

This work has been initiated with a curiosity to investigate the elemental composition and magnetic response of different grades of lead pencils (6B, 2B, HB, 2H, 5H) that people use in daily life. Interestingly, experimental results landed…

Disordered Systems and Neural Networks · Physics 2011-07-11 R. N. Bhowmik

Flexible spintronics has opened new avenue to promising devices and applications in the field of wearable electronics. Particularly, miniaturized strain sensors exploiting the spintronic function have attracted considerable attention, in…

Materials Science · Physics 2025-03-27 Keita Ito , Ivan Kurniawan , Yusuke Shimada , Yoshio Miura , Yasushi Endo , Takeshi Seki

We employ first-principles calculations to explore interstitial engineering as a strategy to tailor the hard magnetic properties of Fe2MnSn Heusler alloy, establishing its potential as a rare-earth-free permanent magnet. By introducing…

Materials Science · Physics 2025-07-03 Junaid Jami , Rohit Pathak , N. Venkataramani , K. G. Suresh , Amrita Bhattacharya

Although the development of spintronic devices has advanced significantly over the past decade with the use of ferromagnetic materials, the extensive implementation of such devices has been limited by the notable drawbacks of these…

Materials Science · Physics 2022-11-04 Kang Wang , Vineetha Bheemarasetty , Junhang Duan , Shiyu Zhou , Gang Xiao

By means of self-consistent semi-empirical LCAO calculations we study the itinerant magnetism of (Fe_{0.65}Ni_{0.35})_{1-y} Mn_y alloys for y between 0 and 0.22 at T=0 K, neglecting only the transverse spin components. We find that the…

Condensed Matter · Physics 2016-09-07 A. Paintner , F. Süss , U. Krey

In this work, high throughput DFT calculations are performed on the alkali metal-based half Heusler alloys; LiY$_p$Y$^\prime_{1-p}$S (Y, Y$^\prime$ = V, Cr, Mn, Fe, Co, Ni and $\mathit{p}$ = 0, 0.25, 0.5, 0.75, 1). Starting with 243…

Materials Science · Physics 2022-03-23 Rohit Pathak , Parul R. Raghuvanshi , Amrita Bhattacharya

Ultrafine-grained aluminum alloys offer interesting multifunctional properties with a combination of high strength, low electrical resistivity, and low density. However, due to thermally induced grain coarsening, they typically suffer from…