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Topological Hall effect in frustrated B2-ordered Mn0.74 Co0.57 Al0.69 films
Exploring materials with topological magnetic structures has always been the subject of intense research due to fundamental and technological interests. Here we report the topological Hall effect in the frustrated B2-ordered Mn0.74 Co0.57 Al0.69 thin films. A large topological Hall resistivity of 58...
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Published in: | Physical review. B 2021-08, Vol.104 (6) |
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container_title | Physical review. B |
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creator | Chen, Peng Zhang, Chunlei Wang, Yongzuo Lv, Bing Liu, Pei Tian, Yinhua Ran, Jiaqi Gao, Cunxu Liu, Qingfang Xue, Desheng |
description | Exploring materials with topological magnetic structures has always been the subject of intense research due to fundamental and technological interests. Here we report the topological Hall effect in the frustrated B2-ordered Mn0.74 Co0.57 Al0.69 thin films. A large topological Hall resistivity of 58.3 n Ω cm is found at 300 K. It is shown that a spin reorientation transition occurs around 200 K through the temperature-dependent magnetization and angular-dependent ferromagnetic resonance measurements. Using the obtained magnetic anisotropy parameters, we perform the micromagnetic simulations to simulate the formation and evolution of topological magnetic structures with temperature, demonstrating the influence of the higher-order magnetic anisotropies. This work enriches the variety of materials exhibiting topological Hall effect and helps to clarify the mechanism of new emergent topological features in magnetic materials. |
doi_str_mv | 10.1103/PhysRevB.104.064409 |
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It is shown that a spin reorientation transition occurs around 200 K through the temperature-dependent magnetization and angular-dependent ferromagnetic resonance measurements. Using the obtained magnetic anisotropy parameters, we perform the micromagnetic simulations to simulate the formation and evolution of topological magnetic structures with temperature, demonstrating the influence of the higher-order magnetic anisotropies. This work enriches the variety of materials exhibiting topological Hall effect and helps to clarify the mechanism of new emergent topological features in magnetic materials.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.104.064409</doi></addata></record> |
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source | American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list) |
subjects | Electromagnetism Ferromagnetic resonance Ferromagnetism Hall effect Magnetic anisotropy Magnetic materials Magnetism Temperature dependence Thin films Topology |
title | Topological Hall effect in frustrated B2-ordered Mn0.74 Co0.57 Al0.69 films |
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