云南高校图书馆联盟文献共享服务平台- DEMAGNETIZATION

DEMAGNETIZATION: 作品数：33被引量：35H指数：2; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：毕刘新陈长明更多>>; 相关机构：清华大学更多>>; 相关期刊：《Chinese Physics B》《Acta Metallurgica Sinica(English Letters)》《Journal of Semiconductors》《Journal of Rare Earths》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家科技支撑计划北京市自然科学基金更多>>

Manipulation of vortex array via a magnetism-tunable spin-polarized scanning tunnelling microscopy: 《Chinese Physics B》2025年第3期190-194,共5页Bing Xia Hong-Yuan Chen Jian Zheng Bo Yang Jie Cai Yi Zhang Yi Yang Hao Yang Dan-Dan Guan Xiao-Xue Liu Liang Liu Yao-Yi Li Shi-Yong Wang Can-Hua Liu Hao Zheng Jin-Feng Jia; Project supported by the National Key Research&Development Program of China(Grant Nos.2019YFA0308600 and 2020YFA0309000);the National Natural Science Foundation of China(Grant Nos.92365302,92065201,22325203,92265105,12074247,12174252,52102336);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB28000000);the Science and Technology Commission of Shanghai Municipality(Grant Nos.2019SHZDZX01,19JC1412701,20QA1405100,24LZ1401000,LZPY2024-04);financial support from the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302500)。; Manipulating and braiding Majorana zero modes(MZM)are a critical step toward realizing topological quantum computing.The primary challenge is controlling the vortex,which hosts the MZM,within a superconducting film in...; 关键词：vortex manipulation scanning tunneling microscope magnetic tip demagnetization technique

Great influence of demagnetization history on internal interaction and magnetization process of mischmetal-based magnets: 《Science China(Physics,Mechanics & Astronomy)》2025年第2期183-192,共10页Dan Liu Jiefu Xiong Lichen Wang Xinqi Zheng Xin Ming Jiaying Jin Jiazheng Hao He Bai Zhenxing Li Tongyun Zhao Fengxia Hu Jirong Sun Jun Shen Baogen Shen; supported by the National Natural Science Foundation of China(Grant No.52371169);the National Natural Science Foundation of China(Grant Nos.52088101,52001012,12204268,and 92263202);the National Key R&D Program of China(Grant No.2023YFA1610400);the“Leading Goose”R&D Program of Zhejiang Province(Grant No.2022C01110);the Challenge-led projects of China Rare Earth Group(Grant No.ZXKCJBGS-202405-06);the Young Elite Scientists Sponsorship Program by CAST(Grant No.YESS20230329);the Young Elite Scientists Sponsorship Program by BAST(Grant No.BYESS2023302);the National Key R&D Program of China(Grant Nos.2021YFB3501202,2022YFB3505201,and 2019YFA0704900);the Strategic Priority Research Program B of Chinese Academy of Sciences(Grant No.XDB33030200)。; The magnetization process and corresponding magnetization curve are usually used to analyze the coercivity mechanism of NdFe-B based sintered magnet.However,different demagnetization histories will seriously influence...; 关键词：permanent magnet demagnetization history magnetization reversal misch-metal rare earth

Sliding Mode Fault-tolerant Control Based on Fast Convergence Law for Faults of PMSM: 《Chinese Journal of Electrical Engineering》2024年第3期147-157,共11页Wan Feng Mengdi Li Wenjuan Zhang Shoudao Huang Haixia Zhang; Supported by the National Natural Science Foundation of China under Grant 52077011;Hunan Provincial Natural Science Foundation 2024JJ7614,2024JJ7615 and 2024JJ6089;Hunan Education Department Science Research Project under Grant 23B0785 and 23B0793;Major Special Projects of Changsha under Grant kq2105001.; It is difficult for the traditional PI controller to meet high-performance control requirements under the demagnetization fault of a permanent magnet synchronous motor(PMSM).To address this problem,this study proposes...; 关键词：Permanent magnet synchronous motor demagnetization faults sliding mode fault-tolerant control flux linkage observer

Analytical Solution of a Fractional-slot Double-layer-winding Open-slot Vernier Permanent Magnet Machine with Tooth Tips: 《Chinese Journal of Electrical Engineering》2024年第2期44-58,共15页Weibing Wang Ming Cheng; An analytical solution(ANA)for a fractional-slot double-layer-winding open-slot vernier permanent magnet(VPM)machine with tooth tips is presented.Magnetic vector potential equations are analytically solved using the t...; 关键词：Analytical solution magnetic field vernier permanent magnet machine SUBDOMAIN optimization DEMAGNETIZATION

Unveiling of Terahertz Emission from Ultrafast Demagnetization and the Anomalous Hall Effect in a Single Ferromagnetic Film被引量：2: 《Chinese Physics Letters》2024年第4期45-50,共6页蓝志强李章顺徐浩然刘凡金钻明彭滟朱亦鸣; supported by the National Key Research and Development Program of China(Grant Nos.2023YFF0719200 and 2022YFA1404004);the National Natural Science Foundation of China(Grant Nos.61988102,62322115,61975110,and 62335012);the 111 Project(Grant No.D18014);the Key Project supported by Science and Technology Commission Shanghai Municipality(Grant No.YDZX20193100004960);Science and Technology Commission of Shanghai Municipality(Grant No.22JC1400200);General Administration of Customs People’s Republic of China(Grant No.2019HK006)。; Using THz emission spectroscopy,we investigate the elementary spin dynamics in ferromagnetic single-layer Fe on a sub-picosecond timescale.We demonstrate that THz radiation changes its polarity with reversal of the ma...; 关键词：MAGNETIC MAGNETIZATION polarity

Demagnetization Analysis and Velocity Tracking Control of In-wheel Motor: 《Journal of Harbin Institute of Technology(New Series)》2024年第2期1-11,共11页Haihong Li Junjie Chen Zhiqi Liu; Sponsored by the National Natural Science Foundation of China(Grant No.51975396);the Natural Science Foundation of Shanxi Province(Grant No.202103021224264).; The error caused by irreversible demagnetization damages the accurate velocity tracking of an in-wheel motor in a mobile robot.A current feedforward vector control system based on ESO is proposed to compensate it for ...; 关键词：mobile robot velocity tracking disturbance estimation vector control

Effect of TbF_(3)diffusion on the demagnetization behavior and domain evolution of sintered Nd-Fe-B magnets by electrophoretic deposition: 《Chinese Physics B》2023年第9期481-485,共5页曹学静郭帅谢宇恒金磊丁广飞郑波陈仁杰闫阿儒; the National Natural Science Foundation of China(Grant No.52101238);the“Pioneer”and“Leading Goose”Research and Development Program of Zhejiang(Grant No.2021C01190);Major Project of Ningbo Science and Technology Innovation 2025(Grant No.2020Z046)。; We studied the magnetic properties and domain evolution of annealed and TbF3-diffused sintered Nd-Fe-B magnets using the electrophoretic deposition method.After TbF_(3)diffusion,the coercivity increased significantly ...; 关键词：sintered Nd-Fe-B magnet electrophoretic deposition grain boundary diffusion domain evolution

Analysis of electromagnetic characteristics of typical faults in permanent magnet wind generators被引量：2: 《Global Energy Interconnection》2023年第1期103-114,共12页Guangwei Liu Wenbin Yu Xiaodong Wang Yun Teng Zhe Chen; supported by the National Natural Science Foundation of China(U22A20215 and 51537007);the Natural Science Foundation of LiaoNing Province(2021-YQ-09).; Due to the harsh actual operating environment of the permanent magnet wind turbine,it is easy to break down and difficult to monitor.Therefore,the electromagnetic characteristics identification of major fault types of...; 关键词：Rotor eccentricity Stator winding short circuit Permanent magnet demagnetization Wavelet packet

Relation between microstructure and magnetic properties of shock wave-compressed Nd-Fe-B magnets: 《Rare Metals》2022年第7期2353-2356,共4页Ming-Gang Zhu Yan-Feng Li Wei Li Li-Yun Zheng Dong Zhou Hai-Bo Feng Lang Chen An Du; financially supported by the National High Technology Research and Development Program of China (No. 2011AA03A401);the National Basic Research Program of China (No. 2014CB643701);the National Natural Science Foundation of China (Nos. 51171049 and 51271060);the National Key Technology R&D Program (No. 2012BAE02B01); The relationship between the microstructure and magnetic properties of Nd-Fe-B sintered magnet compressed by shock wave with 6.26 GPa≤p≤7.16 GPa was investigated.It reveals that Nd-Fe-B magnets show a demagnetizatio...; 关键词：Permanent magnets COERCIVITY Shock wave DEMAGNETIZATION

Investigation of an Intensifying-flux Variable Flux-leakage Interior Permanent Magnet Machine for Wide Speed Range被引量：1: 《CES Transactions on Electrical Machines and Systems》2022年第2期207-215,共9页Xiping Liu Dabin Liu Siting Zhu Jianwei Liang; This work was supported in part by the National Natural Science Foundation of China under grant no.52067008.; In this paper,a novel intensifying-flux variable flux-leakage interior permanent magnet(IFVF-IPM)machine is proposed,in which flux barriers were designed deliberately between the adjacent poles to obtain intensifying-...; 关键词：Interior permanent magnet(IPM)machine Intensifying-flux Variable flux-leakage Electromagnetic performance DEMAGNETIZATION Finite element analysis(FEA) Wide speed range

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