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Self-Cooling Multiferroic Magnetic Devices

delete2026-01-01
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PRE
AI
K
Kristen Booth *
A
Aqarib Hussain
J
Jacob L. Jones
T
Todd C. Monson
DOI:10.1109/LMAG.2026.3657139delete
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摘要

摘要

En 中文
提高开关频率可减小磁芯体积,但用于数十至数百千赫兹的传统铁氧体无法满足当前及新兴宽禁带和超宽禁带器件所需的温度和频率范围。本研究提出了一种新型磁材料结构,结合纳米晶磁性材料和多铁层用于兆赫兹级功率转换。纳米晶合金的高饱和磁通密度支持小型化,但传统上因超过10 kHz时损耗过大而受限。定义了一种具有固态冷却(通过热卡材料)的革命性多铁材料,将实现下一代适用于宽禁带集成设计的磁器件。本通信阐述了支持此功能的基本物理原理,并展示了基于多铁的磁器件的早期有限元分析开发(使用ANSYS),表明其磁芯实现更均匀的热分布,且峰值温度较传统铁氧体降低9摄氏度。
Keyword:
Magnetic flux
Saturation magnetization
Magnetic cores
Magnetic domains
Cooling
Magnetic hysteresis
Magnetic fields
Soft magnetic materials
Permeability
electromagnetics
magnetism in solids
solid-state cooling

期刊

I
IEEE Magnetics Letters
IF:
1.4
论文数:
9
被引数:
874

机构

U
university of south carolina columbia
学者数:
9.6K
论文数: 8.5K
被引数: 7
U
united states department of energy (doe)
学者数:
11.3W
论文数: 9.6W
被引数: 246
U
University of South Carolina System
学者数:
1.5W
论文数: 1.4W
被引数: 27
N
North Carolina State University
学者数:
2.6W
论文数: 2.3W
被引数: 3.7W
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