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Anisotropic magnetoresistance (AMR) has a crucial feature for developing highly sensitive sensors and innovative memory devices. While extensively studied in bulk materials, AMR effects in these materials are typically weak. Recent…

Mesoscale and Nanoscale Physics · Physics 2025-10-02 W. S. Hou , M. Q. Dong , X. ZHang , Zhi-Xin Guo

We propose a model ferromagnet based on the Dirac Hamiltonian in three spatial dimensions, and study its transport properties which include anisotropic magnetoresistance (AMR) and anomalous Hall (AH) effect. This relativistic extension…

Materials Science · Physics 2015-06-19 Junji Fujimoto , Hiroshi Kohno

We present the Co-Gd composition dependence of the spin-Hall magnetoresistance (SMR) and anisotropic magnetoresistance (AMR) for ferrimagnetic Co100-xGdx / Pt bilayers. With Gd concentration x, its magnetic moment increasingly competes with…

Materials Science · Physics 2018-09-14 W. Zhou , T. Seki , T. Kubota , G. E. W. Bauer , K. Takanashi

We investigated the anisotropic magnetic properties of CePd$_2$As$_2$ by magnetic, thermal and electrical transport studies. X-ray diffraction confirmed the tetragonal ThCr$_2$Si$_2$-type structure and the high-quality of the single…

Strongly Correlated Electrons · Physics 2017-08-09 M. O. Ajeesh , T. Shang , W. B. Jiang , W. Xie , R. D. dos Reis , M. Smidman , C. Geibel , H. Q. Yuan , M. Nicklas

We investigate the anisotropic magnetoresistance (AMR) of ferromagnetic CoNi microhelices fabricated by electrodeposition and laser printing. We find that the geometry of the three-dimensional winding determines a characteristic angular and…

We study systems of classical magnetic dipoles on simple cubic lattices with dipolar and antiferromagnetic exchange interactions. By analysis and Monte Carlo (MC) simulations, we find how the antiferromagnetic phases vary with uniaxial and…

Statistical Mechanics · Physics 2007-05-23 J. F. Fernandez , J. J. Alonso

The O(N) model of layered antiferro- and ferromagnets with a weak interlayer coupling and/or easy-axis anisotropy is considered. A renormalization group (RG) analysis in this model is performed, the results for N=3 being expected to agree…

Condensed Matter · Physics 2009-10-30 V. Yu. Irkhin , A. A. Katanin

We report detailed study of angular-dependent magnetoresistance (AMR) with tilting angel $\theta$ from $c$-axis ranging from 0$^\circ$ to 360$^\circ$ on a high-quality FeSe single crystal. A pronounced AMR with twofold symmetry is observed,…

Superconductivity · Physics 2016-10-12 Yue Sun , Tatsuhiro Yamada , Sunseng Pyon , Tsuyoshi Tamegai

We study the effects of anisotropic interactions in the quantum Hall effect in the presence of a fourfold discrete rotational ($C_4$) symmetry. Employing the density matrix renormalization group technique on an infinite cylinder geometry…

Strongly Correlated Electrons · Physics 2021-08-10 Prashant Kumar , R. N. Bhatt

In order to understand the anti-site disorder effect on the anisotropic magnetoresistance (AMR) effect in alloys, $\rm{Fe}_{50}Co_{50}$ alloys were studied in this work using the fully relativistic spin-polarized screened (KKR) method. The…

Materials Science · Physics 2023-07-19 Mingsong Zhang , Bin Peng , Wanli Zhang , Wenxu Zhang

We have carried out density-functional theory (DFT) calculations to study the magnetic stability of both ferromagnetic (FM) and anti-ferromagnetic (AFM) states in monolayer 1T-CrTe2. Our results show that the AFM order is lower in energy…

Materials Science · Physics 2023-10-31 Ahmed Elrashidy , Jia-An Yan

The stability and magnonic properties of double-layered antiferromagnets are investigated using two model systems, a linear chain (LC) and a more complex chain of railroad trestle (RT) geometry, and the results are confronted with…

Strongly Correlated Electrons · Physics 2026-02-11 Seo-Jin Kim , Zdeněk Jirák , Jiří Hejtmánek , Karel Knížek , Helge Rosner , Kyo-Hoon Ahn

The anisotropic magnetoresistance (AMR) in thin permalloy strips was calculated at each steps during magnetization by the finite element method. The magnetization at equilibrium under different external fields was obtained by micromagnetic…

Materials Science · Physics 2019-05-01 Wanli Zhang , Jing Chen , Wenxu Zhang

Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a $\mathrm{UAu_{2}Si_{2}}$ single crystal. They revealed a large anisotropy of magnetoelastic properties…

Electrical resistivity rho, magnetic susceptibility chi, magnetization M and specific heat measurements are reported on a singlecrystalline sample of CePd5Al2, showing successive antiferromagnetic orderings at T_N1=4.1 K and T_N2=2.9 K. The…

Ferromagnetism (FM) is the cornerstone of permanent magnets, data storage and other technologies that directly impact our everyday life by their implementation in standard applications and devices. When downscaling bulk materials into their…

Magnetic anisotropy phenomena in bimetallic antiferromagnets Mn$_2$Au and MnIr are studied by first-principles density functional theory calculations. We find strong and lattice-parameter dependent magnetic anisotropies of the ground state…

The large magnetic anisotropy in the layered ferromagnet Fe_{1/4}TaS_2 leads to very sharp reversals of the magnetization $\bf M$ at the coercive field. We have exploited this feature to measure the anomalous Hall effect (AHE), focussing on…

Strongly Correlated Electrons · Physics 2009-11-13 J. G. Checkelsky , Minhyea Lee , E. Morosan , R. J. Cava , N. P. Ong

Anisotropic magnetoresistance (AMR), originating from spin-orbit coupling (SOC), is the sensitivity of the electrical resistance in magnetic systems to the direction of spin magnetization. Although this phenomenon has been experimentally…

Materials Science · Physics 2020-08-12 Dongzhe Li , Fabian Pauly , Alexander Smogunov

The confinement of the two dimensional electron gas (2DEG), preferential occupancy of the Ti 3d orbital and strong spin-orbit coupling at the LaAlO$_3$/SrTiO$_3$ interface play a significant role in its emerging properties. Here we report a…

Strongly Correlated Electrons · Physics 2013-05-17 A. Annadi , Z. Huang , K. Gopinadhan , X. Renshaw Wang , A. Srivastava , Z. Q. Liu , H. Ma , T. Sarkar , T. Venkatesan , Ariando