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Related papers: Room-Temperature Skyrmion Thermopower in Fe3Sn2

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Mechanical straining of skyrmion hosting materials has previously demonstrated increased phase stability through the expansion of the skyrmion equilibrium pocket. Additionally, metastable skyrmions can be generated via rapid field-cooling…

Strongly Correlated Electrons · Physics 2023-01-04 M. T. Littlehales , L. A. Turnbull , M. N. Wilson , M. T. Birch , H. Popescu , N. Jaouen , J. A. T. Verezhak , G. Balakrishnan , P. D. Hatton

Magnetic skyrmions are topologically protected local magnetic solitons that are promising for storage, logic or general computing applications. In this work, we demonstrate that we can use a skyrmion device based on [W/CoFeB/MgO] 1 0…

We report on a theory of the Skyrmion states which occur in quantum Hall regime near certain filling factors. It is shown that in the limit of zero Zeeman splitting in a realistic temperature range the Skyrmion plasma is a liquid described…

Condensed Matter · Physics 2009-10-28 A. G. Green , I. I. Kogan , A. M. Tsvelik

The insulating ferrimagnet Cu2OSeO3 shows a rich variety of phases such as skyrmion lattice and helical magnetism controlled by interplay of different exchange interactions which can be tuned by external pressure. In this work we have…

Room temperature grown Fe monolayer (ML) on the Ir(111) single crystal substrate has attracted great research interests as nano-skyrmion lattice can form under proper growth conditions. The formation of the nanoscale skyrmion, however,…

Mesoscale and Nanoscale Physics · Physics 2023-04-11 Mingming Shuai , Yulong Yang , Haiming Huang , Rui Song , Yi Zhu , Yanghui Liao , Yinyan Zhu , Xiaodong Zhou , Lifeng Yin , Jian Shen

Spin-lattice dynamics is used to study the magnetic properties of Fe foams. The temperature dependence of the magnetization in foams is determined as a function of the fraction of surface atoms in foams, nsurf. The Curie temperature of…

Defects, i.e. inhomogeneities of the underlying lattice, are ubiquitous in magnetic materials and can have a crucial impact on their applicability in spintronic devices. For magnetic skyrmions, localized and topologically non-trivial spin…

Materials Science · Physics 2023-04-26 Philipp Rieger , Markus Weißenhofer , Ulrich Nowak

The iron antimonide FeSb$_2$ possesses an extraordinarily high thermoelectric power factor at low temperature, making it a leading candidate for cryogenic thermoelectric cooling devices. However, the origin of this unusual behavior is…

Strongly Correlated Electrons · Physics 2018-08-15 C. C. Homes , Q. Du , C. Petrovic , W. H. Brito , S. Choi , G. Kotliar

We measured electrical resistivity, specific heat and magnetic susceptibility of single crystals of highly conductive oxide Ag_5Pb_2O_6, which has a layered structure containing a Kagome lattice. Both the out-of-plane and in-plane…

Superconductivity · Physics 2009-11-10 Shingo Yonezawa , Yoshiteru Maeno

Kagome metals gain attention as they manifest a spectrum of quantum phenomena, including superconductivity, charge order, frustrated magnetism, and intertwined correlated states of condensed matter. With regard to electronic band structure,…

Strongly Correlated Electrons · Physics 2024-02-16 P. Das , P. Saha , M. Singh , P. Kumar , S. Patnaik

Quasiparticle excitations in material solids often experience a fictitious gauge field, which can be a potential source of intriguing transport phenomena. Here, we show that low-energy excitations in insulating antiferromagnetic skyrmion…

Strongly Correlated Electrons · Physics 2025-08-12 Masataka Kawano

The spectral signatures of magnetic skyrmions under microwave field excitation are of fundamental interest and can be an asset for high frequency applications. These topological solitons can be tailored in multilayered thin films, but the…

Controlled movement of nano-scale stable magnetic objects has been proposed as the foundation for a new generation of magnetic storage devices. Magnetic skyrmions, vortex-like spin textures stabilized by their topology are particularly…

Strongly Correlated Electrons · Physics 2017-11-27 Yongkang Luo , Shizeng Lin , M. Leroux , N. Wakeham , D. M. Fobes , E. D. Bauer , J. B. Betts , J. D. Thompson , A. Migliori , M. Janoschek , Boris Maiorov

Single crystals of the single Kagome layer compound FeSn are investigated using x-ray and neutron scattering, magnetic susceptibility and magnetization, heat capacity, resistivity, Hall, Seebeck, thermal expansion, thermal conductivity…

Magnetic skyrmions in bulk materials are typically regarded as two-dimensional structures. However, they also exhibit three-dimensional configurations, known as skyrmion tubes, which elongate and extend in-depth. Understanding the…

Mesoscale and Nanoscale Physics · Physics 2025-02-18 Jiang Jailiang , Tang Jin , Bai Tian , Wu Yaodong , Qin Jiazhuan , Xia Weixing , Chen Renjie , Yan Aru , Wang Shouguo , Tian Mingliang , Du Haifeng

The static and dynamic properties of skyrmions have recently received increased attention due to the potential application of skyrmions as information carriers and for unconventional computing. While the current-driven dynamics has been…

We report a long-wavelength helimagnetic superstructure in bulk samples of the ferrimagnetic insulator Cu2OSeO3. The magnetic phase diagram associated with the helimagnetic modulation inferred from small angle neutron scattering and…

Strongly Correlated Electrons · Physics 2012-06-13 T. Adams , A. Chacon , M. Wagner , A. Bauer , G. Brandl , B. Pedersen , H. Berger , P. Lemmens , C. Pfleiderer

We demonstrate that in confined plasmonic metal structures subject to ultra-fast laser excitation electron thermal diffusion can provide relaxation faster than the energy transfer to the lattice. This relaxation occurs due to excitation of…

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 interplay between linearly dispersing or Dirac-like, and flat electronic bands, for instance, in the kagome ferromagnets, has attracted attention due to a possible interplay between topology and electronic correlations. Here, we report…

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