Research profile

Skyrmions, Chiral Magnets, and Multiferroics

Skyrmion/meron 与螺旋磁结构的微观机制、动力学,以及光、电流和磁电耦合控制。

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Questions this profile tracks

  • How do exchange, Dzyaloshinskii-Moriya interaction, anisotropy, and dipolar coupling stabilize chiral spin textures?
  • How can light carrying spin or orbital angular momentum create, rotate, or switch skyrmions and solitons?
  • How are multiferroicity, topology, and thermal or nonlinear transport linked?

Recent matches

近期入选

Room-Temperature Generation and Electric-Current-Driven Manipulation of Isolated Fractional Antiskyrmions in a Chiral Magnet

Zhidong He, Zhan Wang, Yunxiang Yang, Yunchi Zhao, Jun Shen, Tongyun Zhao, Ying Zhang, and Bao-gen Shen

91 /100

该论文报道在手性磁体中实现孤立分数反斯格明子的室温生成,并研究其由电流驱动的操控,为分数拓扑自旋纹理的自旋电子学应用提供方向。

Symmetry-Tunable Skyrmions and Merons in Magnetic Nanodisks via Spatially Engineered Anisotropy

X. D. Wang, J. F. Oliveira da Silva, Z. H. Tao, H. M. Dong, K. Chang, M. V. Milo\v{s}evi\'{c}

93 /100

论文利用受约束解析模型和微磁模拟表明,垂直与面内各向异性的竞争可在非手性磁性纳米圆盘中形成 skyrmion/meron,而 DMI 与偶极相互作用负责解除 helicity 简并并选择稳定手性构型。

Skyrmion Fractional Chern Insulator: An Intrinsically Multiband Route to Fractionalization in Rhombohedral Graphene

Julian May-Mann, Tixuan Tan, Patrick J. Ledwith, Zhengyan Darius Shi, Trithep Devakul

95 /100

作者提出菱面体石墨烯 moiré 超晶格中,ν=1 skyrmion 晶格 Chern 绝缘体的带电 skyrmion 空位可在 ν<1 时分数化,并在 ν=2/3 通过有效场论、变分试探波函数和数值证据支持一种 skyrmion 分数 Chern 绝缘体。

Long-range magnetic interactions in ${\mathrm{Nd}}_{2}{\mathrm{PdSi}}_{3}$ and the formation of skyrmion phases in centrosymmetric metals

Viviane Peçanha-Antonio, Zhaoyang Shan, Michael Smidman, Juba Bouaziz, Bachir Ouladdiaf, Iurii Kibalin, Marie-Hélène Lemée-Cailleau, Christian Balz, Jakob Lass, Daniel A. Mayoh, Geetha Balakrishnan, Julie B. Staunton, Devashibhai Adroja, and Andrew T. Boothroyd

88 /100

论文直接研究中心对称金属中的skyrmion相及其长程磁相互作用,并结合X射线和中子散射分析磁结构与磁激发。

Tunable skyrmion and antiskyrmion fluids via mechanical strain in a chiral kagome lattice

Gonzalo dos Santos, Flavia A. G\'omez Albarrac\'in, Ludovic D. C. Jaubert, Pierre Pujol, Eduardo M. Bringa, H. Diego Rosales, Gonzalo dos Santos, Flavia A. Gómez Albarracín, Ludovic D. C. Jaubert, Pierre Pujol, Eduardo M. Bringa, and H. Diego Rosales

92 /100

论文直接研究应变调控 Kagome 晶格中的 skyrmion、antiskyrmion、螺旋态及其拓扑电荷转变,并系统分析 Dzyaloshinskii–Moriya 相互作用和温度效应。

Staggered Dzyaloshinskii-Moriya and the spin-canting angle in centrosymmetric altermagnetic and ferromagnetic phases: Influence on the anomalous Hall effect and Weyl points

Mathews Benny, Xujia Gong, Kamil Jamroszczyk, Amar Fakhredine, Giuseppe Cuono, Rajibul Islam, Jan Skolimowski, and Carmine Autieri

65 /100

论文研究 Dzyaloshinskii-Moriya 相互作用和自旋倾斜角对异常 Hall 电导及 Weyl 点的影响,直接涉及磁性拓扑体系中的 Hall 几何响应。

Multiple spin-flop transitions and magnetoelectric coupling in Co-substituted ${\mathrm{CuCrP}}_{2}{\mathrm{S}}_{6}$

Dingyu Li, Donger Cheng, Ziyi Zhou, Shuixian Qu, Wenhao Li, Jiaqiang Wang, Qisheng Jiang, Juping Xu, Wu Xie, Ping Miao, Wen Yin, Xinzhi Liu, and Yue Zheng

76 /100

摘要明确报道多铁材料中的多个 spin-flop 转变和磁电耦合,直接涉及多铁性、磁结构转变及电磁耦合调控,是该方向的核心主题之一。

Interplay of Spin Waves, Crystal-Field Excitations, and Phonons in Multiferroic Ba3HoRu2O9 revealed by Inelastic Neutron Scattering, Crystal-Field Analysis, and Machine-Learned Phonon Calculations

Ekta Kushwaha, Sayan Ghosh, Gourab Roy, Mohit Kumar, Manh Duc Le, Jhuma Shannigrahi, Som Datta Kaushik, Devashibhai T. Adroja, Tathamay Basu

91 /100

论文以非弹性中子散射为核心,结合线性自旋波理论、晶场分析、Raman光谱和声子计算,分辨重叠的自旋、晶场、晶格及分子磁激发。