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Related papers: Curved Magnetism in CrI$_3$

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Novel noncollinear antiferromagnets with spontaneous time-reversal symmetry breaking, nontrivial band topology, and unconventional transport properties have received immense research interest over the past decade due to their rich physics…

Commensurable twisted bilayers can drastically change the magnetic properties of chromium trihalide layered compounds, which opens novel opportunities for tuning magnetic states through layer rotations. Here, we introduce a mathematical…

Materials Science · Physics 2022-01-06 A. M. León , E. A. Velásquez , F. Caro-Lopera , J. Mejía-López

Moir\'e magnetism, parallel with moir\'e electronics that has led to novel correlated and topological electronic states, emerges as a new venue to design and control exotic magnetic phases in twisted magnetic two-dimensional(2D) crystals.…

Motivated by manipulating the magnetic order of bilayer CrI$_3$, we carry out microscopic calculations to find the magnetic order and various magnetic domains of the system in the presence of an electric field. Making use of density…

Materials Science · Physics 2022-06-17 Sahar Izadi Vishkay , Reza Asgari

In a many-spin approach that takes account of the internal structure, microscopic interactions and single-site anisotropies, we investigate the effect of spin non-collinearities induced by the boundary and surface anisotropy on the…

Statistical Mechanics · Physics 2009-11-11 H. Kachkachi

We study the triangular antiferromagnet Cu$_3$ in external electric fields, using symmetry group arguments and a Hubbard model approach. We identify a spin-electric coupling caused by an interplay between spin exchange, spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Mircea Trif , Filippo Troiani , Dimitrije Stepanenko , Daniel Loss

Density-functional calculations are carried out to investigate incommensurate magnetic structures and ferroelectric polarization in newly discovered multiferroic material MnI$_2$. The exchange interactions among local moments on Mn are…

Strongly Correlated Electrons · Physics 2013-05-30 Xianxin Wu , Yingxiang Cai , Qing Xie , Hongming Weng , Heng Fan , Jiangping Hu

Layered {\alpha}-RuCl3 is a promising material to potentially realize the long-sought Kitaev quantum spin liquid with fractionalized excitations. While evidence of this exotic state has been reported under a modest in-plane magnetic field,…

Magnetic anisotropy is essential for stabilizing two-dimensional (2D) magnetism, which has significant applications in spintronics and the advancement of fundamental physics. In this work, we examine the electronic structure and magnetic…

Materials Science · Physics 2024-01-29 Shuhang Chen , Wenjing Xu , Yueyue Ning , Ke Yang

The nature of the gap observed at the zone border in the spin-excitation spectrum of CrI$_3$ quasi-2D single crystals is still controversial. We perform first-principles calculations based on time-dependent density-functional perturbation…

Materials Science · Physics 2023-07-26 Tommaso Gorni , Oscar Baseggio , Pietro Delugas , Iurii Timrov , Stefano Baroni

In type II multiferroics, noncollinear spin textures are expected to induce electric polarization directly, leading to strong magnetoelectric coupling. Realizing such spin driven multiferroicity in two-dimensional systems, and elucidating…

Tuning magnetic properties in layered magnets is an important route to realize novel phenomenon related to two-dimensional (2D) magnetism. Recently, tuning antiferromagnetic (AFM) properties through substitution and intercalation techniques…

Since thermal fluctuations become more important as dimensions shrink, it is expected that low-dimensional magnets are more sensitive to lattice distortions and phonons than bulk systems are. Here we present a fully relativistic…

Materials Science · Physics 2022-04-06 Banasree Sadhukhan , Anders Bergman , Yaroslav O. Kvashnin , Johan Hellsvik , Anna Delin

Chiral antiferromagnets are currently considered for broad range of applications in spintronics, spin-orbitronics and magnonics. In contrast to the established approach relying on materials screening, the anisotropic and chiral responses of…

Strongly Correlated Electrons · Physics 2022-06-16 Oleksandr V. Pylypovskyi , Yelyzaveta A. Borysenko , Jürgen Fassbender , Denis D. Sheka , Denys Makarov

Antiferromagnetic spintronics actively introduces new principles of magnetic memory, in which the most fundamental spin-dependent phenomena, i.e. anisotropic magnetoresistance effects, are governed by an antiferromagnet instead of a…

Materials Science · Physics 2018-05-08 Chengliang Lu , Bin Gao , Haowen Wang , Wei Wang , Songliu Yuan , Shuai Dong , Jun-Ming Liu

We investigate long-range chiral magnetic interactions among adatoms mediated by surface states spin-splitted by spin-orbit coupling. Using the Rashba model, the tensor of exchange interactions is extracted wherein a pseudo-dipolar…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Juba Bouaziz , Manuel dos Santos Dias , Abdelhamid Ziane , Mouloud Benakki , Stefan Blügel , Samir Lounis

A theoretical study is made of the magnetization versus applied field curves of ferromagnetic/nonmagnetic multilayers constructed according to a Fibonacci quasiperiodic sequence. The ferromagnetic films are assumed to have uniaxial…

Materials Science · Physics 2009-11-07 C. G. Bezerra , M. G. Cottam

Anisotropic spin-spin interactions of the symmetry described by Dzyaloshinsky and Moriya are generally considered weak, as they depend on the spin-orbit couplings. In frustrated spin systems with singlet ground states they can, however,…

Strongly Correlated Electrons · Physics 2009-11-07 O. Cepas , T. Sakai , T. Ziman

Engineering magnetic anisotropy in two-dimensional systems has enormous scientific and technological implications. The uniaxial anisotropy universally exhibited by two-dimensional magnets has only two stable spin directions, demanding 180…

We analyze the nature of the modulated magnetic states in a micromagnetic model for the monoaxial chiral magnet MnNb$_3$S$_6$ for which the Dzyaloshinskii-Moriya interaction and the dipolar interaction compete evenly. We show that the…

Strongly Correlated Electrons · Physics 2023-04-28 S. A. Osorio , V. Laliena , J. Campo , S. Bustingorry
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