Hollow Fe₃O₄ Absorber

轻一半，带宽翻倍

利用内外双表面自旋提升磁损耗，2 mm厚度下有效吸收带宽从5.68 GHz拓宽至11.91 GHz，且密度仅为实心颗粒的48.9%。

Yang, Ke · Lu, Chichong · Ma, Song · Zheng, Bowen · Yue, Ming

Advanced Science 2026

Specifications

Effective absorption bandwidth

{'zh': '≤-5', 'en': '≤-5'} dB

密度仅为实心样品

{'zh': '48.9', 'en': ''} %

in imaginary part

{'zh': '约20', 'en': '-18'} GHz