Acoustic actuator antenna system based on magnetoelectric laminated composites

被引：5

作者：

Deng, Tingyu ^{[1
,3
]}

Lu, Li ^{[1
]}

Lin, Di ^{[1
]}

Zhu, Lili ^{[1
]}

Bai, Cheng ^{[1
]}

Xia, Ziyi ^{[1
]}

Di, Wenning ^{[1
]}

Wang, Dong ^{[1
]}

Jiao, Jie ^{[1
]}

Luo, Haosu ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2023年 / 363卷

基金：

中国国家自然科学基金;

关键词：

Converse magnetoelectric effect; Magnetoelectric antenna; Very low frequency; Near -field radiation; Finite element model; EQUIVALENT MAGNETIC NOISE; COMMUNICATION; RESONANCE; MODEL;

D O I：

10.1016/j.sna.2023.114752

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we establish a magnetoelectric antenna system. The receiver is an in-plane series sensor composed of Mn-PMNT crystal fibers and Metglas. It has excellent magnetic field detection ability, reaching 3.1 pT/Hz1/2 under 1 Hz. We fabricated an asymmetric ME antenna based on PZT-5 H and Metglas at the transmitting end. The transmitter has two resonance peaks at a very low frequency (VLF), and its radiation ability can reach 73 nT at 14 kHz and 6.3 nT at 5.63 kHz. Furthermore, a nonlinear magnetostrictive model is constructed, and the ME effects are discussed through finite element mode. This model indicates that the near-field radiation capability of the device is strongly influenced by the frequency and magnetic bias, with the maximum performance achieved when the ME composite operates at the resonant frequency and the optimal piezomagnetic coefficient.

引用

页数：10

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