观测到大的反常霍尔电导率，在20 K以下观测到显著的线性正磁电阻；研究了外尔点的输运理论，提出了贝利曲率贡献的线性正磁电阻模型，并得到了温度依赖的反常霍尔电导率和线性正磁电阻公式。
In this work, we report a magnetic Weyl semimetal CoS2, with the largest LPMR among known magnetic topological materials. we establish an intrinsic model that the slope of the linear MR is determined by the average of the Berry curvature and prove this model with experimental data by introducing temperature effect.
我们通过高精度角分辨光电子能谱对磁性外尔半金属Co3Sn2S2的能隙结构进行了直接观测。证明了在Co3Sn2S2中存在强的SOC及其在形成WSM相过程中所起的重要作用，这一工作对理解内在物理性能提供了新的视角。
Here, we report a direct observation of such gap structure in a magnetic WSM Co3Sn2S2 . Our results not only reveal the existence and importance of the strong SOC effect in the formation of the WSM phase in Co3Sn2S2, but also provide insights for the understanding of its exotic physical properties.
输运测量和第一性原理计算表明，等静压可能诱发体系的磁性拓扑相变，驱动面外铁磁性Weyl半金属经由具有面内反铁磁分量的磁性Weyl态，转变为自旋简并的Pauli顺磁拓扑绝缘体态。
The study reveals a method for realizing diverse topological states by modulating exchange splitting by external physical knobs such as pressure in topological magnets.
研究发现只要掺杂量较小则体系的费米能级依然会处在节线环中。由于异类原子掺杂导致贝利曲率的增强进而带来内禀增强的AHC。该研究为磁性拓扑材料中大AHE的设计和开发提供了重要的指导。
In this work, a greatly enhanced anomalous Hall effect (AHE) is obtained in electron-doped magnetic Weyl semimetal Co3Sn2−xSbxS2, showing a maximum anomalous Hall conductivity (AHC) of ∼1600 Ω−1 cm−1 and an anomalous Hall angle of ∼26%.
在这项工作中，我们研究了CoSnS的热电效应，发现由外尔锥体倾斜引起的特殊的热电输运现象。
Here, we report the observation of a magnetic-field-antisymmetric Seebeck effect in a tilted Weyl semimetal, CoSnS.
由于面内电输运行为的奇对称部分和Weyl锥的倾斜有关，我们通过调控Weyl锥的倾斜参数，设计面内的非对称电输运行为。本研究能够为面内转角相关的电子器件应用提供材料设计方案。
In this study, a large AMR at a very low magnetic field of is observed;the intrinsic antisymmetric AMR and PHE are unambiguously observed and interpreted owing to the Berry curvature in a tilted Weyl system instead of the out-of-plane magnetic field component.
