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Related papers: Room-Temperature Skyrmion Thermopower in Fe3Sn2

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The recent discovery of magnetic skyrmion lattices initiated a surge of interest in the scientific community. Several novel phenomena have been shown to emerge from the interaction of conducting electrons with the skyrmion lattice, such as…

Strongly Correlated Electrons · Physics 2020-03-18 I. Levatić , P. Popčević , V. Šurija , A. Kruchkov , H. Berger , A. Magrez , J. S. White , H. M. Rønnow , I. Živković

Magnetic skyrmions, vortex-like swirling spin textures characterized by a quantized topological invariant, realized in chiral-lattice magnets are currently attracting intense research interest. In particular, their dynamics under external…

Strongly Correlated Electrons · Physics 2016-01-20 Masahito Mochizuki , Shinichiro Seki

Small angle neutron scattering measurements have been performed to study the thermodynamic stability of skyrmion-lattice phases in Cu$_2$OSeO$_3$. We found that the two distinct skyrmion-lattice phases [SkX(1) and SkX(2) phases] can be…

Strongly correlated Fermi systems are among the most intriguing and fundamental systems in physics, whose realization in some compounds is still to be discovered. We show that herbertsmithite ZnCu_3(OH)_6Cl_2 can be viewed as a strongly…

Strongly Correlated Electrons · Physics 2015-05-27 V. R. Shaginyan , A. Z. Msezane , K. G. Popov

We report high-precision measurements of the temperature and magnetic field dependence of the specific heat, C(T,H), across the magnetic phase diagram of MnSi. Clear anomalies establish the skyrmion lattice unambiguously as a thermodynamic…

Strongly Correlated Electrons · Physics 2015-06-15 Andreas Bauer , Markus Garst , Christian Pfleiderer

The chiral magnet Cu$_{2}$OSeO$_{3}$ hosts a skyrmion lattice, that may be equivalently described as a superposition of plane waves or lattice of particle-like topological objects. A thermal gradient may break up the skyrmion lattice and…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 S. Pöllath , J. Wild , L. Heinen , T. N. G. Meier , M. Kronseder , L. Tutsch , A. Bauer , H. Berger , C. Pfleiderer , J. Zweck , A. Rosch , C. H. Back

The discovery and manipulation of topological Hall effect (THE), an abnormal magnetoelectric response mostly related to the Dzyaloshinskii-Moriya interaction (DMI), are promising for next-generation spintronic devices based on topological…

Materials Science · Physics 2023-10-27 Gaojie Zhang , Qingyuan Luo , Xiaokun Wen , Hao Wu , Li Yang , Wen Jin , Luji Li , Jia Zhang , Wenfeng Zhang , Haibo Shu , Haixin Chang

The kagome lattice is an intriguing and rich platform for discovering, tuning and understanding the diverse phases of quantum matter, which is a necessary premise for utilizing quantum materials in all areas of modern and future electronics…

We theoretically propose that an electric voltage can be generated by thermal gradient with a rotating skyrmion crystal confined in a magnetic disk. We find that the rotation of skyrmion crystal induced by diffusive thermal magnon currents…

Mesoscale and Nanoscale Physics · Physics 2023-04-20 Junnosuke Matsuki , Masahito Mochizuki

Magnetic skyrmions are promising for next-generation information storage and processing owing to their potential advantages in data storage density, robustness, and energy efficiency. The magnetic multilayers consisting of Pt, Co, and a…

Establishing strong electron-correlations not only shed lights on overcoming the trade-off limitations for optimizing thermoelectric materials, but can also introduce new functionalities that extend the vision of conventional thermoelectric…

A new paradigm is required to facilitate the demand for the huge data storage capacity and faster data processing in the future. Nano structures such as magnetic skyrmions have been predicted to address this issues as these vortex…

Materials Science · Physics 2017-03-21 Sarmita Majumder , Priyamvada Jadaun , Tanmay Pramanik , Sanjay K. Banerjee

Propagation character of spin wave was investigated for chiral magnets FeGe and Co-Zn-Mn alloys, which can host magnetic skyrmions near room temperature. On the basis of the frequency shift between counter-propagating spin waves, the…

Materials Science · Physics 2017-06-21 R. Takagi , D. Morikawa , K. Karube , N. Kanazawa , K. Shibata , G. Tatara , Y. Tokunaga , T. Arima , Y. Taguchi , Y. Tokura , S. Seki

Engineering new quantum phases requires fine tuning of the electronic, orbital, spin, and lattice degrees of freedom. To this end, the kagome lattice with flat bands has garnered great attention by hosting various topological and correlated…

Control and understanding of ensembles of skyrmions is important for realization of future technologies. In particular, the order-disorder transition associated with the 2D lattice of magnetic skyrmions can have significant implications for…

We propose an accurate thermometry approach for Rydberg atom tweezer arrays combining data from correlation and local susceptibility measurements with a theoretical high-temperature expansion method for dynamic spin correlations. We apply…

Quantum Gases · Physics 2026-04-27 Erik Fitzner , Igor Lesanovsky , Björn Sbierski

Ferrimagnetic Fe/Gd multilayers host maze-like stripe domains that transform into a disordered bubble/skyrmion lattice under out-of-plane magnetic fields at ambient temperature. Femtosecond magneto-optics distinguishes these textures via…

We report the observation of the skyrmion lattice in the chiral multiferroic insulator Cu2OSeO3 using Cu L3-edge resonant soft x-ray diffraction. We observe the unexpected existence of two distinct skyrmion sublattices that arise from…

Strongly Correlated Electrons · Physics 2015-06-18 M. C. Langner , S. Roy , S. K. Mishra , J. C. T. Lee , X. W. Shi , M. A. Hossain , Y. -D. Chuang , S. Seki , Y. Tokura , S. D. Kevan , R. W. Schoenlein

LiNbO3 (LN) is renowned for its exceptional ferroelectric properties, particularly its notable linear electro-optical (EO) effect, which is highly advantageous for various applications such as high-speed communication, optical computation,…

Materials Science · Physics 2024-08-20 Yalong Yu , Bo Xiong , Siqi Wu , Yekai Ren , Nuo Chen , Qingjiao Mi , Zhaojie Zheng , Kangping Lou , Rui Wang , Tao Chu

In this work, we propose an approach to modeling ferrimagnets in MuMax3. We show that by specifying two interacting magnetic sublattices as separate layers, it is possible to reproduce a sperimagnetic-like ordering of magnetization. In such…