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Related papers: Interlayer Couplings Mediated by Antiferromagnetic…

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We investigate the influence of the spin-phonon coupling in the triangular antiferromagnet where the coupling is of the exchange-striction type. The magnon dispersion is shown to be modified significantly at wave vector (2pi,0) and its…

Strongly Correlated Electrons · Physics 2011-11-09 Jung Hoon Kim , Jung Hoon Han

We study the combined effect of temperature and disorder in the spacer on the interlayer exchange coupling. The temperature dependence is treated on ab initio level. We employ the spin-polarized surface Green function technique within the…

Mesoscale and Nanoscale Physics · Physics 2017-02-08 Vaclav Drchal , Josef Kudrnovsky , Patrick Bruno , Peter Dederichs , Peter Weinberger

We explore the role of interfacial antiferromagnetic interaction in coupled soft and hard ferromagnetic layers to ascribe the complex variety of magneto-transport phenomena observed in $La_{0.7}Sr_{0.3}MnO_3/SrRuO_3$ (LSMO/SRO)…

Strongly Correlated Electrons · Physics 2023-06-28 Sandip Halder , Subrat K. Das , Kalpataru Pradhan

Fast spin manipulation in magnetic heterostructures, where magnetic interactions between different materials often define the functionality of devices, is a key issue in the development of ultrafast spintronics. Although recently developed…

Materials Science · Physics 2022-03-04 X. Liu , H. C. Yuan , P. Liu , J. Y. Shi , H. L. Wang , S. H. Nie , F. Jin , Z. Zheng , X. Z. Yu , J. H. Zhao , H. B. Zhao , G. Lüpke

We have investigated the field-induced-changes in both the magnetization and the polarization in ferromagnet/Insulator/ferroelectric (FM/I/FE) multilayer by following both the Stoner-Wohlfarth (SW) model and the Landau theory. It has been…

Materials Science · Physics 2012-01-13 Hui Zhang

Field-induced antiferromagnetic (AF) fluctuations and magnetization are observed above the (zero-field) ordering temperature, T_N = 23 K by electron spin resonance in kappa-(BEDT-TTF)_2Cu[N(CN)_2]Cl, a quasi two-dimensional antiferromagnet…

Strongly Correlated Electrons · Physics 2015-06-11 Ágnes Antal , Titusz Fehér , Bálint Náfrádi , László Forró , András Jánossy

Searching for novel spin caloric effects in antiferromagnets we study the properties of thermally activated magnons in the presence of an external spin current and temperature gradient. We predict the spin Peltier effect -- generation of a…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Olena Gomonay , Kei Yamamoto , Jairo Sinova

It is demonstrated theoretically that a thin layer of an anisotropic antiferromagnetic (AFM) insulator can effectively conduct spin current by excitation of a pair of evanescent AFM spin wave modes. The spin current flowing through the AFM…

Mesoscale and Nanoscale Physics · Physics 2016-06-28 Roman Khymyn , Ivan Lisenkov , Vasil S. Tiberkevich , Andrei N. Slavin , Boris A. Ivanov

Development of modern spintronic devices requires materials exhibiting specific magnetic effects. In this paper, we investigate a magnetization reversal mechanism in a [Co/Pdx]7/CoO/[Co/Pdy]7 thin-film composite where an antiferromagnet is…

Materials Science · Physics 2021-02-01 Marcin Perzanowski , Arkadiusz Zarzycki , Jakub Gregor-Pawlowski , Marta Marszalek

We investigate the electronic reconstruction at the interface between ferromagnetic metallic (FM) and antiferromagnetic insulating (AFI) manganites in superlattices using a two-orbital double-exchange model including superexchange…

Strongly Correlated Electrons · Physics 2015-06-15 Kalpataru Pradhan , Arno P. Kampf

Altermagnets (AM) are a recently discovered third class of collinear magnets, distinctly different from conventional ferromagnets (FM) and antiferromagnets (AF). AM have been actively researched in the last few years, but two aspects so far…

Mesoscale and Nanoscale Physics · Physics 2023-09-06 Igor Mazin , Rafael González-Hernández , Libor Šmejkal

Magnetic excitations are investigated for a hexagonal polar magnet Fe2Mo3O8 by terahertz spectroscopy. We observed magnon modes including an electric-field active magnon, electromagnon, in the collinear antiferromagnetic phase with spins…

Strongly Correlated Electrons · Physics 2017-01-09 T. Kurumaji , Y. Takahashi , J. Fujioka , R. Masuda , H. Shishikura , S. Ishiwata , Y. Tokura

Two-dimensional multiferroics promise low-power, multifunctional devices, yet the intrinsic coexistence and mutual control of three coupled ferroic orders in a single layer remains elusive. Here, we identify pentagonal monolayer FeO$_2$ as…

Materials Science · Physics 2025-11-26 Deping Guo , Jiaqi Dai , Renhong Wang , Cong Wang , Wei Ji

Ferroelectric altermagnets (FEAMs) offer unique magnetoelectric coupling properties by combining the characteristics of both antiferromagnets and ferromagnets, yet their multifunctional electric control remains largely unexplored. Here, we…

Materials Science · Physics 2025-09-30 ShuaiYu Wang , Wei-Wei Wang , Jiaxuan Fan , Xiaodong Zhou , Xiao-Ping Li , Lei Wang

We investigate spin transport through metallic antiferromagnets using measurements based on spin pumping combined with inverse spin Hall effects in Ni80Fe20/FeMn/W trilayers. The relatively large magnitude and opposite sign of spin Hall…

Materials Science · Physics 2018-09-10 H. Saglam , W. Zhang , M. B. Jungfleisch , J. Sklenar , J. E. Pearson , J. B. Ketterson , A. Hoffmann

Electrical switching and readout of antiferromagnets allows to exploit the unique properties of antiferromagnetic materials in nanoscopic electronic devices. Here we report experiments on the spin-orbit torque induced electrical switching…

Materials Science · Physics 2020-03-25 Mareike Dunz , Tristan Matalla-Wagner , Markus Meinert

Electric control of magnetism at room temperature is crucial for developing next-generation, low-power spintronic devices. However, the intrinsic incompatibility between ferroelectricity and magnetism in crystal symmetry, along with the…

Materials Science · Physics 2026-04-15 Quanchao Du , Jinlian Lu , Xueqing Wan , Zhenlong Zhang , Zhijun Jiang

The resistivity of disordered metallic layer sandwiched by two ferromagnetic layers at low-temperature is investigated theoretically. It is shown that the magnetic field acting at the interface does not affect the classical Boltzmann…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Gen Tatara , Hidetoshi Fukuyama

The interlayer exchange coupling in Fe/MgO(001) superlattices is found to increase exponentially with decreasing temperature. Around 150~K, the field induced response changes from discrete switching, governed by field-driven domain…

A vector spin model is used to show how frustrations within a multisublattice antiferromagnet such as FeMn can lead to four-fold magnetic anisotropies acting on an exchange coupled ferromagnetic film. Possibilities for the existence of…

Condensed Matter · Physics 2009-11-10 T. Mewes , B. Hillebrands , R. L. Stamps
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