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A magnetoelectric receiving antenna with a bridge-supporting structure for ultralow-frequency wireless communication

  • East China Normal University
  • Nanjing University of Science and Technology
  • CAS - Shanghai Institute of Ceramics

科研成果: 期刊稿件文章同行评审

摘要

The ultralow-frequency (ULF) miniaturized communication device is a development trend and has prospects in underwater environments. In this work, a magnetoelectric (ME) laminate was prepared by magnetostrictive Metglas and piezoelectric PMN-PT, and the electromechanical resonance (EMR) frequencies of the ME laminate were lowered through the bridge-supporting structure. Experiments showed that the supporting structure excited EMR frequencies of 646 Hz, 1089 Hz and 1506 Hz; the ME coefficients were 44.2 nC/Oe, 104.1 nC/Oe and 39.8 nC/Oe, respectively. Next, the ME laminate was assembled to a receiving antenna to receive binary frequency shift keying (2FSK) and binary amplitude shift keying (2ASK) signals accurately.

源语言英语
文章编号128401
期刊Chinese Physics B
34
12
DOI
出版状态已出版 - 1 12月 2025

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