English
Related papers

Related papers: Pressure tunable magnetic skyrmion phase in Co8Zn8…

200 papers

Magnetic skyrmions are vortex-like topological spin textures often observed to form a triangular-lattice skyrmion crystal in structurally chiral magnets with Dzyaloshinskii-Moriya interaction. Recently $\beta$-Mn structure-type Co-Zn-Mn…

Strongly Correlated Electrons · Physics 2021-03-03 K. Karube , J. S. White , D. Morikawa , C. D. Dewhurst , R. Cubitt , A. Kikkawa , X. Z. Yu , Y. Tokunaga , T. Arima , H. M. Rønnow , Y. Tokura , Y. Taguchi

Topologically non trivial spin textures host great promise for future spintronic applications. Skyrmions in particular are of burgeoning interest owing to their nanometric size, topological protection, and high mobility via ultra-low…

Magnetic skyrmions are vortex-like topological spin textures often observed in structurally chiral magnets with Dzyaloshinskii-Moriya interaction. Among them, Co-Zn-Mn alloys with a $\beta$-Mn-type chiral structure host skyrmions above room…

Strongly Correlated Electrons · Physics 2020-08-13 K. Karube , J. S. White , V. Ukleev , C. D. Dewhurst , R. Cubitt , A. Kikkawa , Y. Tokunaga , H. M. Rønnow , Y. Tokura , Y. Taguchi

Recently, \b{eta}-Mn-type Co-Zn-Mn alloys have gained particular attentions as a new class of chiral magnets hosting skyrmion phase. In this work, a giant topological Hall effect(THE)is observed during the wide temperature range below 220 K…

Strongly Correlated Electrons · Physics 2021-11-01 Hai Zeng , Xuanwei Zhao , Guang Yu , Xiaohua Luo , Shengcan Ma , Changcai Chen , Zhaojun Mo , Yugang Zhang , Yisheng Chai , Jun Shen , Zhenchen Zhong

\b{eta}-Mn-type CoxZnyMnz (x + y + z = 20) alloys have recently attracted increasing attention as a new class of chiral magnets with skyrmions at and above room temperature. However, experimental studies on the transport properties of this…

Materials Science · Physics 2023-03-15 Fangyi Qi , Yalei Huang , Xinyu Yao , Wenlai Lu , Guixin Cao

Skyrmions, topologically protected vortex-like nanometric spin textures in magnets, have been attracting increasing attention for emergent electromagnetic responses and possible technological applications for spintronics. In particular,…

Mesoscale and Nanoscale Physics · Physics 2015-07-03 Y. Tokunaga , X. Z. Yu , J. S. White , H. M. Rønnow , D. Morikawa , Y. Taguchi , Y. Tokura

The realization of magnetic skyrmions in nanostructures holds great promise for both fundamental research and device applications. Despite recent progress, intrinsic magnetic skyrmions in two-dimensional lattice are still rarely explored.…

Materials Science · Physics 2022-05-11 Wenhui Du , Kaiying Dou , Zhonglin He , Ying Dai , Baibiao Huang , Yandong Ma

A skyrmion state in a non-centrosymmetric helimagnet displays topologically protected spin textures with profound technological implications for high density information storage, ultrafast spintronics, and effective microwave devices.…

A magnetic skyrmion is a topological object that can exist as a solitary embedded in the vast ferromagnetic phase, or coexists with a group of its "siblings" in various stripy phases as well as skyrmion crystals (SkXs). Isolated skyrmions…

Mesoscale and Nanoscale Physics · Physics 2021-03-25 H. T. Wu , X. C. Hu , K. Y. Jing , X. R. Wang

We report that in a $\beta$-Mn-type chiral magnet Co$_9$Zn$_9$Mn$_2$, skyrmions are realized as a metastable state over a wide temperature range, including room temperature, via field-cooling through the thermodynamic equilibrium skyrmion…

Strongly Correlated Electrons · Physics 2017-12-20 K. Karube , J. S. White , D. Morikawa , M. Bartkowiak , A. Kikkawa , Y. Tokunaga , T. Arima , H. M. Rønnow , Y. Tokura , Y. Taguchi

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…

Magnetic skyrmion textures are realized mainly in non-centrosymmetric, e.g. chiral or polar, magnets. Extending the field to centrosymmetric bulk materials is a rewarding challenge, where the released helicity / vorticity degree of freedom…

A room-temperature skyrmion-hosting compound Co$_8$Zn$_8$Mn$_4$ has been examined by means of soft X-ray absorption spectroscopy, resonant small-angle scattering and extended reference holography. An element-selective study was performed by…

Mesoscale and Nanoscale Physics · Physics 2019-04-11 V. Ukleev , Y. Yamasaki , D. Morikawa , K. Karube , K. Shibata , Y. Tokunaga , Y. Okamura , K. Amemiya , M. Valvidares , H. Nakao , Y. Taguchi , Y. Tokura , T. -h. Arima

We investigate theoretically magnetoentropic signatures of the crystal phase of magnetic skyrmions of various kinds, commonly appearing in two dimensions, \textit{viz.}, N\'eel, Bloch and anti skyrmions. Using Monte Carlo calculations based…

Strongly Correlated Electrons · Physics 2024-12-03 Ahmed R. Saikia , Narayan Mohanta

Skyrmions, topologically-protected nanometric spin vortices, are being investigated extensively in various magnets. Among them, many of structurally-chiral cubic magnets host the triangular-lattice skyrmion crystal (SkX) as the…

Strongly Correlated Electrons · Physics 2017-12-19 K. Karube , J. S. White , N. Reynolds , J. L. Gavilano , H. Oike , A. Kikkawa , F. Kagawa , Y. Tokunaga , H. M. Rønnow , Y. Tokura , Y. Taguchi

Thin films of ferrimagnetic Mn$_4$N are candidate materials to host magnetic skyrmions that have demonstrated thermal stability up to 450$^\circ$C. However, there are no experimental reports observing skyrmions in this system. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Chung T. Ma , Timothy Q. Hartnett , Wei Zhou , Prasanna V. Balachandran , S. Joseph Poon

We report detailed thermodynamic studies on high-quality single crystals of the centrosymmetric skyrmion-hosting intermetallic Gd2PdSi3 by means of high-resolution capacitance dilatometry in fields up to 15 T which are complemented by…

Strongly Correlated Electrons · Physics 2021-06-02 S. Spachmann , A. Elghandour , M. Frontzek , W. Löser , R. Klingeler

Co$_x$Zn$_y$Mn$_z$ ($x+y+z=20$) compounds crystallizing in the chiral $\beta$-Mn crystal structure are known to host skyrmion spin textures even at elevated temperatures. As in other chiral cubic skyrmion hosts, skyrmion lattices in these…

Materials Science · Physics 2019-01-16 Joshua D. Bocarsly , Colin Heikes , Craig M. Brown , Stephen D. Wilson , Ram Seshadri

Magnetic materials can host skyrmions, which are topologically non-trivial spin textures. In chiral magnets with cubic lattice symmetry, all previously-observed skyrmion phases require thermal fluctuations to become thermodynamically stable…

Strongly Correlated Electrons · Physics 2021-04-06 A. Chacon , L. Heinen , M. Halder , A. Bauer , W. Simeth , S. Mühlbauer , H. Berger , M. Garst , A. Rosch , C. Pfleiderer

The successful realization of skyrmion-based spintronic devices depends on the easy manipulation of underlying magnetic interactions in the skyrmion-hosting materials. Although the mechanism of skyrmion formation in non-centrosymmetric…

Materials Science · Physics 2022-07-28 Dola Chakrabartty , Sk Jamaluddin , Subhendu K. Manna , Ajaya K. Nayak
‹ Prev 1 2 3 10 Next ›