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The non-uniform current distribution arisen from either current crowding effect or hot spot effect provides a method to tailor the interaction between thermal gradient and electron transport in magnetically ordered systems. Here we apply…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 Jiuming Liu , Bin Rong , Hua Bai , Xinqi Liu , Yanghui Liu , Yifan Zhang , Yujie Xiao , Yuzhen Liang , Qi Yao , Liyang Liao , Yumeng Yang , Cheng Song , Xufeng Kou

Inverse spin Hall effect (ISHE) in ferromagnetic metals (FM) can also be used to detect the spin current generated by longitudinal spin Seebeck effect in a ferromagnetic insulator YIG. However, anomalous Nernst effect(ANE) in FM itself…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Hao Wu , Xiao Wang , Li Huang , Jianying Qin , Chi Fang , Xuan Zhang , Caihua Wan , Xiufeng Han

We report the doping effects of cobalt on van der Waals (vdW) magnet Fe$_5$GeTe$_2$. A series of (Fe$_{1-x}$Co$_x$)$_5$GeTe$_2$ (0$\leq$x$\leq$0.44) single crystals have been successfully grown, their structural, magnetic and transport…

Mesoscale and Nanoscale Physics · Physics 2020-06-05 Congkuan Tian , Feihao Pan , Sheng Xu , Kun Ai , Tian-long Xia , Peng Cheng

The discovery of van der Waals magnets has established a new domain in the field of magnetism, opening novel pathways for the electrical control of magnetic properties. In this context, Fe3GeTe2 (FGT) emerges as an exemplary candidate owing…

Fe$_5$GeTe$_2$ is a van der Waals (vdW)-coupled unconventional ferromagnetic metal with a high Curie temperature ($T_C$) exceeding 300 K. The formation of an anomalous ground state significantly below $T_C$ has received considerable…

Strongly Correlated Electrons · Physics 2022-08-10 K. Yamagami , Y. Fujisawa , M. Pardo-Almanza , B. R. M. Smith , K. Sumida , Y. Takeda , Y. Okada

The anomalous Nernst effect (ANE) - the generation of a transverse electric voltage by a longitudinal heat current in conducting ferromagnets or antiferromagnets - is an appealing approach for thermoelectric power generation in spin…

Materials Science · Physics 2020-02-17 Xiaodong Zhou , Jan-Philipp Hanke , Wanxiang Feng , Stefan Blügel , Yuriy Mokrousov , Yugui Yao

We use temperature-dependent Hall measurements to identify contributions of spin Hall, magnetic proximity, and sublattice effects to the anomalous Hall signal in heavy metal/ferrimagnetic insulator heterostructures with perpendicular…

The Nernst effect, a transverse thermoelectric phenomenon, has attracted significant attention for its potential in energy conversion, thermoelectrics, and spintronics. However, achieving high performance and versatility at low temperatures…

Mesoscale and Nanoscale Physics · Physics 2024-06-25 Gabriele Pasquale , Zhe Sun , Kenji Watanabe , Takashi Taniguchi , Andras Kis

Antiferromagnetic (AFM) van der Waals (vdW) materials provide a novel platform for synthetic AFM spintronics, in which the spin-related functionalities are derived from manipulating spin configurations between the layers. Metallic vdW…

The exploration of nontrivial transport phenomena associated with the interplay between magnetic order and spin-orbit coupling (SOC), particularly in van der Waals (vdW) systems has gained a resurgence of interest due to their easy…

Unique electronic spin textures in topological states of matter are promising for emerging spin-orbit driven memory and logic technologies. However, there are several challenges related to the enhancement of their performance, electrical…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Dmitrii Khokhriakov , Anamul Md. Hoque , Bogdan Karpiak , Saroj P. Dash

Functional materials such as magnetic, thermoelectric, and battery materials have been revolutionized through nanostructure engineering. However, spin caloritronics, an advancing field based on spintronics and thermoelectrics with…

The intricate interplay between magnetism and the topology of electronic structures provides a rich avenue for tailoring materials with unique and potent anomalous transport properties. In this paper, we present a strategy for inducing…

Materials Science · Physics 2024-12-04 Subhadip Pradhan , Kartik Samanta , Ashis K. Nandy

Van der Waals (vdW) heterostructures combining two-dimensional (2D) ferromagnets and semiconducting transition-metal dichalcogenides (TMDCs) offer highly promising opportunities for tailoring 2D magnetism through interfacial proximity…

The search for kagome magnets with unconventional magnetic and electronic properties has gained significant attention in recent years. We report the magnetic, electronic, and thermoelectric properties of Fe3Ge single crystals, where the Fe…

Finding and designing ferromagnets that operate above room temperature is crucial in advancing high-performance spintronic devices. The pioneering van der Waals (vdW) ferromagnet Fe$_{3}$GaTe$_{2}$ has extended the way for spintronic…

Materials Science · Physics 2025-04-25 Yuanji Xu , Xintao Jin , Jiacheng Xiang , Huiyuan Zhang , Fuyang Tian

The coexistence of antiferromagnetic and ferromagnetic order at room temperature in single-phase van der Waals materials, particularly within the two-dimensional limit, has attracted significant research interest. Nonetheless, such…

Material research has been a major driving force in the development of modern nano-electronic devices. In particular, research in magnetic thin films has revolutionized the development of spintronic devices; identifying new magnetic…

Noncollinear antiferromagnets have recently been attracting considerable interest partly due to recent surprising discoveries of the anomalous Hall effect (AHE) in them and partly because they have promising applications in…

Materials Science · Physics 2019-10-22 Guang-Yu Guo , Tzu-Cheng Wang

Magnetic Weyl semimetals with spontaneously broken time-reversal symmetry exhibit a large intrinsic anomalous Hall effect originating from the Berry curvature. To employ this large Hall current for room temperature topo-spintronics…

Materials Science · Physics 2021-02-23 Yao Zhang , Yuefeng Yin , Guy Dubuis , Tane Butler , Nikhil V. Medhekar , Simon Granville