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We report the longitudinal resistivity and Hall effect measurements on the noncentrosymmetric superconducting Mg$_{12-\delta}$Ir$_{19}$B$_{16}$ samples with different critical transition temperatures. A strong temperature dependence of the…

超导电性 · 物理学 2010-09-06 Gang Mu , Huan Yang , Hai-Hu Wen

Recently discovered, altermagnetism represents a third class of collinear magnets. These materials exhibit zero net magnetization, similar to antiferromagnets, but display anomalous transport properties resembling those of ferromagnets.…

The van der Waals (vdW) antiferromagnet CrSBr has recently garnered significant attention due to its air stability, high magnetic transition temperature, and semiconducting properties. We investigate its nonlinear transport properties and…

介观与纳米尺度物理 · 物理学 2025-06-25 Kamal Das , Yufei Zhao , Binghai Yan

In materials with broken inversion symmetry, nonreciprocal magneto-transport (NRMT) manifests as a bilinear dependence of charge conductivity on applied electric (E) and magnetic (B) fields. This phenomenon is deeply rooted in symmetry and…

介观与纳米尺度物理 · 物理学 2025-11-06 Xiu Fang Lu , Xue-Jin Zhang , Naizhou Wang , Jin Cao , Dan Zhao , Hui Wang , Tao Wu , Xian Hui Chen , Shen Lai , Cong Xiao , Shengyuan A. Yang , Weibo Gao

Phenomena concerning altermagnets have opened up a window for unconventional analysis of the momentum space spin polarization (MSSP) of antiferromagnetic materials. Taking the example of one of the widely investigated altermagnets, CrSb, we…

材料科学 · 物理学 2026-05-28 Arindom Das , Arijit Mandal , Nayana Devaraj , B. R. K. Nanda

The Hall effect, ever intriguing since its discovery, has spurred the exploration of its phenomena, intensified by advances in topology and novel materials. Differentiating the ordinary Hall effect from extraordinary properties like the…

材料科学 · 物理学 2025-09-23 ShengNan Zhang , Zhihao Liu , Hanqi Pi , Zhong Fang , Hongming Weng , QuanSheng Wu

Noncolinear magnetic texture breaks the spin-sublattice symmetry which gives rise to a spin-splitting effect. Inspired by this, we study the spin-dependent transport properties in a noncolinear antiferromagnetic fractal structure, namely,…

介观与纳米尺度物理 · 物理学 2022-06-01 Kallol Mondal , Sudin Ganguly , Santanu K. Maiti

Noncollinear antiferromagnets (nc-AFMs) have attracted increasing research attention in spintronics due to their unique spin structures and fascinating charge and spin transport properties. By using first-principles calculations, we…

材料科学 · 物理学 2024-05-28 Meng Zhu , Xinlu Li , Fanxing Zheng , Jianting Dong , Ye Zhou , Kun Wu , Jia Zhang

We study the nonequilibrium spin-splitter effect in superconducting altermagnets and superconductor altermagnet hybrids by computing the alternating spin current and edge the spin density in the presence of an alternating electric field. We…

超导电性 · 物理学 2025-10-14 Tim Kokkeler , Tero T. Heikkilä , F. Sebastian Bergeret

The applicability and usefulness of Rashba model have been extended by recent observations in the field of spintronics, such as the spin-orbit torque at the junction interfaces between ferromagnetic (FM) metals and non-magnetic (NM) metals…

材料科学 · 物理学 2018-03-14 Akimasa Sakuma

We present spin transport studies on a low-field, room-temperature magnetoelectric multiferroic polycrystalline $\text{Sr}_{3}\text{Co}_{2}\text{Fe}_{24}\text{O}_{41}$ (SCFO)|Pt heterostructure wherein a highly tunable transverse conical…

材料科学 · 物理学 2022-05-25 Aditya A. Wagh , Priyanka Garg , Kingshuk Mallick , Suja Elizabeth , P. S. Anil Kumar

Altermagnetism has attracted considerable interest, yet its associated spintronic phenomena have so far been largely confined to electronic systems. In this work, we uncover a universal symmetry-based strategy for realizing topological…

材料科学 · 物理学 2026-01-30 Bo Yuan , Yingxi Bai , Ying Dai , Baibiao Huang , Chengwang Niu

Altermagnets constitute an emerging class of collinear magnets that exhibit zero net magnetization yet host spin-split electronic bands arising from non-relativistic spin-space-group symmetries. Realization of altermagnetism in the…

Unusual magnetotransport behaviors, such as temperature-dependent negative magnetoresistance (MR) and bowtie-shaped MR, have puzzled us for a long time. Although several mechanisms have been proposed to explain these phenomena, the absence…

材料科学 · 物理学 2025-09-23 Zhihao Liu , Shengnan Zhang , Zhong Fang , Hongming Weng , Quansheng Wu

Cd3As2 is a model material of Dirac semimetal with a linear dispersion relation along all three directions in the momentum space. The unique band structure of Cd3As2 makes it with both Dirac and topological properties. It can be driven into…

材料科学 · 物理学 2017-07-06 Cai-Zhen Li , Jin-Guang Li , Li-Xian Wang , Liang Zhang , Jing-Min Zhang , Dapeng Yu , Zhi-Min Liao

Altermagnetism has emerged as a third type of collinear magnetism. In contrast to standard ferromagnets and antiferromagnets, altermagnets exhibit extra even-parity wave spin order parameters resulting in a spin-splitting of electronic…

强关联电子 · 物理学 2024-06-17 Valentin Leeb , Alexander Mook , Libor Šmejkal , Johannes Knolle

Altermagnets are a novel type of magnetic system that has a spin-polarised electric band structure in the absence of a net magnetic moment, leading to exciting prospects in potential device applications. Hexagonal MnTe, a prototypical…

Spin transport in superconductors offers a compelling platform to merge the dissipationless nature of superconductivity with the functional promise of spin-based electronics. A significant challenge in achieving spin polarisation in…

介观与纳米尺度物理 · 物理学 2025-05-19 Aleix Barrera , Huidong Li , Thomas Gunkel , Jordi Alcalà , Silvia Damerio , Can Onur Avci , Anna Palau

Magnetoresistance effects are crucial for understanding the charge/spin transport as well as propelling the advancement of spintronic applications. Here we report the coexistence of magnetic moment-dependent (MD) and magnetic field-driven…

Altermagnetism (AM), a newly discovered magnetic state, ingeniously integrates the properties of ferromagnetism and antiferromagnetism, representing a significant breakthrough in the field of magnetic materials. Despite experimental…