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Skyrmions are promising for the next generation of spintronic and magnonic devices, but their zero-field stability and controlled nucleation through chiral interactions remain challenging. In this theoretical study, we explore the potential…

Materials Science · Physics 2023-12-13 Bilal Jabakhanji , Doried Ghader

The competition between interactions in frustrated magnets allows a wide variety of new ground states, often exhibiting emergent physics and unique excitations. Expanding the suite of lattices available for study enhances our chances of…

Strongly Correlated Electrons · Physics 2017-01-24 Darren C. Peets , Hasung Sim , Seongil Choi , Maxim Avdeev , Seongsu Lee , Su Jae Kim , Hoju Kang , Docheon Ahn , Je-Geun Park

High tunability of two dimensional magnetic materials (by strain, gating, heterostructuring or otherwise) provides unique conditions for studying versatile magnetic properties and controlling emergent magnetic phases. Expanding the scope of…

Computational Physics · Physics 2020-07-07 Raí M. Menezes , Clécio C. de Souza Silva , Milorad V. Milošević

Chiral magnets, such as MnSi, display a rich finite temperature phase diagram in an applied magnetic field. The most unusual of the phases encountered is the so called A-phase characterized by a triangular lattice of skyrmion tubes. Its…

Strongly Correlated Electrons · Physics 2013-11-27 Stefan Buhrandt , Lars Fritz

Thin ferromagnetic films can possess unconventional magnetic properties, opening a new road for using them in spintronic technologies. In the present work exploiting three different methods, we comprehensively analyze phason excitations of…

Strongly Correlated Electrons · Physics 2022-10-05 X. -G. Wang , L. Chotorlishvili , G. Tatara , A. Dyrdał , Guang-hua Guo , V. K. Dugaev , J. Barnaś , S. S. P. Parkin , A. Ernst

We have developed a sensitive technique to probe the magnetic skyrmion phases and dynamics by employing the interfacial coupling effect in a magnetoelectric composite configuration. The study on a MnSi single crystal sample using this…

Materials Science · Physics 2021-09-29 Yisheng Chai , Peipei Lu , Haifeng Du , Jianxin Shen , Yinina Ma , Kun Zhai , Le Wang , Youguo Shi , Hang Li , Wenhong Wang , Young Sun

The lack of inversion symmetry in the crystal lattice of magnetic materials gives rise to complex non-collinear spin orders through interactions of relativistic nature, resulting in interesting physical phenomena, such as emergent…

We establish that the interplay of itinerant fermions with localized magnetic moments on a checkerboard lattice leads to magnetic flux-phases. For weak itineracy the flux-phase is coplanar and the electronic dispersion takes the shape of…

Strongly Correlated Electrons · Physics 2015-06-04 Jörn W. F. Venderbos , Maria Daghofer , Jeroen van den Brink , Sanjeev Kumar

The Shastry-Sutherland lattice, one of the simplest systems with geometric frustration, which has an exact eigenstate by putting singlets on diagonal bonds, can be realized in a group of layered compounds and rises both theoretical and…

Strongly Correlated Electrons · Physics 2014-05-06 Hai-Di Liu , Yao-Hua Chen , Heng-Fu Lin , Hong-Shuai Tao , Wu-Ming Liu

Chiral magnetism, wherein there is a preferred sense of rotation of the magnetization, has become a key aspect for future spintronic applications. It determines the chiral nature of magnetic textures, such as skyrmions, domain walls or spin…

In spin-glass systems, frustration can be adjusted continuously and considerably, without changing the antiferromagnetic bond probability p, by using locally correlated quenched randomness, as we demonstrate here on hypercubic lattices and…

Disordered Systems and Neural Networks · Physics 2014-06-03 Efe Ilker , A. Nihat Berker

We study inter-skyrmion interactions and stable spin configurations in a 2D chiral magnet with in-plane anisotropies of a tilted magnetic field and the magneto-crystalline anisotropy on a (011) thin film. We find that in both cases a small…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Mai Kameda , Rio Koyama , Takuro Nakajima , Yuki Kawaguchi

Mixed spin-1/2 and spin-1 Ising ferrimagnets on a triangular lattice with sublattices A, B and C are studied for two spin value distributions $(S_{\rm A},S_{\rm B},S_{\rm C})=(1/2,1/2,1)$ and $(1/2,1,1)$ by Monte Carlo simulations. The…

Statistical Mechanics · Physics 2015-06-02 M. Žukovič , A. Bobák

Doped perovskite cobaltites (e.g., La$_{1-x}$Sr$_x$CoO$_3$) have been extensively studied for their spin-state physics, electronic inhomogeneity, and insulator-metal transitions. Ferromagnetically-interacting spin-state polarons emerge at…

Strongly Correlated Electrons · Physics 2021-05-14 Peter P. Orth , Daniel Phelan , J. Zhao , H. Zheng , J. F. Mitchell , C. Leighton , Rafael M. Fernandes

We present a comprehensive study of strain-induced topological magnon phase transitions in insulating three-dimensional (3D) topological chiral antiferromagnets on the kagome-lattice. We show that by applying (100) uniaxial strain, 3D…

Strongly Correlated Electrons · Physics 2020-09-16 S. A. Owerre

Competing magnetic anisotropies in chiral crystals with Dzyaloshinskii Moriya exchange interactions can give rise to non-trivial chiral topological magnetisation configurations with new and interesting properties. One such configuration is…

Magnetic skyrmions are nanometric swirling spin textures that exhibit remarkable stability at finite temperatures, making them promising candidates for spintronic applications. Achieving controllable stability and transitions between…

Resonant magnetic x-ray diffraction experiments on the Shastry-Sutherland lattice TbB$_4$ were carried out under strong pulsed magnetic fields up to 30 T. TbB$_4$ exhibits a multi-step magnetization process above 16 T when magnetic fields…

Other Condensed Matter · Physics 2008-08-21 T. Inami , K. Ohwada , Y. H. Matsuda , Z. W. Ouyang , H. Nojiri , D. Okuyama , T. Matsumura , Y. Murakami

Although the frustrated spin chain (zigzag chain) is a Drosophila of frustrated magnetism, the understanding of a pair of coupled zigzag chains (frustrated spin ladder) in a magnetic field is incomplete. We address this problem through…

Strongly Correlated Electrons · Physics 2021-10-05 M. Pikulski , T. Shiroka , F. Casola , A. P. Reyes , P. L. Kuhns , S. Wang , H. -R. Ott , J. Mesot

Recent observations of topological spin textures brought spintronics one step closer to new magnetic memories. Nevertheless, the existence of Skyrmions, as well as their stabilization, require very specific intrinsic magnetic properties…

Mesoscale and Nanoscale Physics · Physics 2017-04-19 E. A. Stepanov , C. Dutreix , M. I. Katsnelson
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