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 ...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(2 FSK)and binary amplitude shift keying(2ASK)signals accurately.展开更多
基金funded by the National Key Research and Development Program of China(Grant No.2021YFA0716500)the Shanghai Science and Technology Innovation Action Plan(Grant No.21JC1402000)。
文摘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(2 FSK)and binary amplitude shift keying(2ASK)signals accurately.
