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Monte Carlo simulations have been used to study magnetic ordering in coupled anisotropic ferro/antiferromagnetic (FM/AFM) films of classical Heisenberg spins. We consider films with flat interfaces that are fully uncompensated as well as…

Statistical Mechanics · Physics 2009-11-10 Shan-Ho Tsai , D. P. Landau , Thomas C. Schulthess

Current-induced control of magnetization in ferromagnets using spin-orbit torque (SOT) has drawn attention as a new mechanism for fast and energy efficient magnetic memory devices. Energy-efficient spintronic devices require a spin-current…

The control of magnetization by electric current is a rapidly developing area motivated by a strong synergy between breakthrough basic research discoveries and industrial applications in the fields of magnetic recording, magnetic field…

Applied Physics · Physics 2018-09-05 Yucai Li , Kevin William Edmonds , Xionghua Liu , Houzhi Zheng , Kaiyou Wang

Emergency of superconductivity at the instabilities of antiferromagnetism (AFM), spin/charge density waves has been widely recognized in unconventional superconductors. In copper-oxide superconductors, spin fluctuations play a predominant…

Superconductivity · Physics 2015-10-27 Heshan Yu , Ge He , Ziquan Lin , Jie Yuan , Beiyi Zhu , Yi-feng Yang , Tao Xiang , Feo. V. Kusmartsev , Liang Li , Junfeng Wang , Kui Jin

The paramagnetic properties in non-centrosymmetric superconductors with and without antiferromagnetic (AFM) order are investigated with focus on the heavy Fermion superconductors, CePt_3Si, CeRhSi_3 and CeIrSi_3. First, we investigate the…

Superconductivity · Physics 2009-11-13 Youichi Yanase , Manfred Sigrist

Spin-orbit torque is a promising mechanism for writing magnetic memories, while field-effect transistors are the gold-standard device for logic operation. The spin-orbit torque field effect transistor (SOTFET) is a proposed device that…

Considering the similarity of the real-space configurations for the opposite spin sublattices in both antiferromagnets (AFM) and altermagnets (AM), the relationship between them should be profound. In this work, we demonstrate that AFM and…

Materials Science · Physics 2025-10-16 P. Zhou , X. N. Peng , Y. Z. Hu , B. R. Pan , S. M. Liu , Pengbo Lyu , L. Z. Sun

The magnetic Gilbert damping and spin-orbital to charge interconversion phenomenon play vital role in controlling the modern spintronics device performances. Though the ferromagnets (FMs) and heavy metals (HMs) are considered to be the key…

Mesoscale and Nanoscale Physics · Physics 2024-11-05 Antarjami Sahoo , Swayang Priya Mahanta , Subhankar Bedanta

We investigate spin-orbit torques on magnetization in an insulating ferromagnetic (FM) layer that is brought into a close proximity to a topological insulator (TI). In addition to the well-known field-like spin-orbit torque, we identify an…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 R. J. Sokolewicz , I. A. Ado , M. I. Katsnelson , P. M. Ostrovsky , M. Titov

Magnetic and electronic structures in LaFeAsO in the single-stripe-type antiferromagnetic (AFM) phase are studied using first-principles density-functional calculations including the spin-orbit interaction. We show that the longitudinal…

Superconductivity · Physics 2016-12-28 Sehoon Oh , Jung-Hoon Lee , Hyun Myung Jang , Hyoung Joon Choi

We use density functional theory to investigate effects of spin-orbit coupling and single-stripe-type antiferromagnetic (sAFM) ordering on the crystal structure and electronic properties of SmFeAsO. The results indicate that AFM ordering…

Superconductivity · Physics 2024-03-05 Toktam Morshedloo , Ali Kazempour , Hamideh Shakeripour , S. Javad Hashemifar , Mojtaba Alaei

Topological insulators (TIs) are a promising class of materials for manipulating the magnetization of an adjacent ferromagnet (FM) through the spin-orbit torque (SOT) mechanism. However, current studies combining TIs with conventional FMs…

Antiferromagnetic Kagome semimetals have attracted tremendous attentions for their potential application in antiferromagnetic topological spintronics. Effectively manipulating Kagome antiferromagnetic states could reveal abundant physical…

Current induced spin-orbit magnetic fields (iSOFs), arising either in single-crystalline ferromagnets with broken inversion symmetry1,2 or in non-magnetic metal/ferromagnetic metal bilayers3,4, can produce spin-orbit torques which act on a…

Mesoscale and Nanoscale Physics · Physics 2018-04-27 L. Chen , M. Gmitra , M. Vogel , R. Islinger , M. Kronseder , D. Schuh , D. Bougeard , J. Fabian , D. Weiss , C. H. Back

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov

Spintronics in ferromagnetic metals is built on a complementary set of phenomena in which magnetic configurations influence transport coefficients and transport currents alter magnetic configurations. In this Letter we propose that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. S. Nunez , R. A. Duine , A. H. MacDonald

Strong magnetic field pulses associated with a relativistic electron bunch can imprint switching patterns in magnetic thin films that have uniaxial in-plane anisotropy. In experiments with Fe and FeCo alloy films the pattern shape reveals…

Mesoscale and Nanoscale Physics · Physics 2017-02-24 Ioan Tudosa

Spin-orbit torque (SOT) is a candidate technique in next generation magnetic random-access memory (MRAM). Recently, experiments show that some material with low-symmetric crystalline or magnetic structures can generate anomalous SOT that…

Applied Physics · Physics 2023-08-09 TianYi Zhang , CaiHua Wan , XiuFeng Han

We report magnetoresistance measurements on thin Pt bars grown on epitaxial (001) and (111) CoFe2O4 (CFO) ferrimagnetic insulating films. The results can be described in terms of the recently discovered spin Hall magnetoresistance (SMR).…

Antiferromagnetic (AFM) materials with zero or vanishingly small macroscopic magnetization are nowadays the constituent elements of spintronic devices. However, possibility to use them as active elements that show nontrivial controllable…

Materials Science · Physics 2013-05-30 Helen V. Gomonay , Roman Kunitsyn , Vadim M. Loktev