Arbitrary low-frequency power-splitting strategy in ferrite/piezoelectric magnetoelectric heterostructures: theory and experimental validation

IF 3.7 3区材料科学 Q1 INSTRUMENTS & INSTRUMENTATION

Smart Materials and Structures Pub Date : 2024-08-08 DOI:10.1088/1361-665x/ad6961

Jitao Zhang, Juhang Gao, Dmitry Filippov, Bingfeng Ge, Qingfang Zhang, Natallia Poddubnaya, Xiaowan Zheng, Leixiang Bian, Liying Jiang and Lingzhi Cao

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引用次数: 0

Abstract

Exploring low-frequency (LF) arbitrary power-splitting technologies to address the independent excitation issues of LF/VLF mechanical antennas (MA) with random distributions is challenging due to unidentified device construction and operation mechanism. In light of this, a device construction strategy for three-port magnetoelectric (ME) arbitrary power splitter in composite of ferrite/piezoelectric heterostructure, as well as theoretical model was developed. To validate the feasibility and effectiveness of the strategy, three size-tailored ME samples with length ratio of split PZT segments in 1:1, 2:1, and 3:2 were modeled, fabricated and comparatively characterized. Experimental results show that the achievable maximum power conversion efficiencies (PE) reach 52%, 71%, and 59% for three tailored ME samples, respectively, and as expected the power-splitting ratios are directly proportional to the square ratio of ME voltage coefficient (MEVC) from each port of the tailored ME samples, which are in coincidence with theory under desired operation stability and favorable experiment repeatability evaluated by uncertainties of 0.25854 V cm−1 Oe−1 and 0.32979 V cm−1 Oe−1 for each port. Therefore, a prediction of evolutionary tendency for arbitrary power splitter realization was expanded in view of our experimental observations, and a great flexibility for device future design and further optimization was also provided. Therefore, the presented LF power-splitting strategy paves the ways for arbitrary power splitter realization and enriches the multi-functional ME power electronics families, as well as enables potential applications for efficient excitations of MAs in high-permeable military underwater and civilian emergency rescue distribution long-wave communication system for practical scenarios of submarine, underground railways, tunnels and collapsed residential buildings.

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铁氧体/压电体磁电异质结构中的任意低频功率分配策略：理论与实验验证

由于器件构造和运行机制不明，探索低频（LF）任意功率分配技术以解决具有随机分布的低频/超低频机械天线（MA）的独立激励问题具有挑战性。有鉴于此，我们开发了铁氧体/压电异质结构复合三端口磁电（ME）任意功率分配器的器件构造策略和理论模型。为了验证该策略的可行性和有效性，我们建立了三个尺寸定制的 ME 样品，其 PZT 分段的长度比分别为 1:1、2:1 和 3:2，并对其进行了建模、制造和比较表征。实验结果表明，三种量身定制的 ME 样品可实现的最大功率转换效率（PE）分别达到 52%、71% 和 59%，并且正如预期的那样，功率分流比与量身定制 ME 样品各端口 ME 电压系数（MEVC）的平方比成正比，这与理论相符，且具有理想的运行稳定性和良好的实验重复性，各端口的不确定度分别为 0.25854 V cm-1 Oe-1 和 0.32979 V cm-1 Oe-1。因此，根据我们的实验观察结果，对任意功率分配器实现的演化趋势进行了扩展预测，并为器件的未来设计和进一步优化提供了极大的灵活性。因此，本文提出的低频功率分配策略为实现任意功率分配器铺平了道路，丰富了多功能 ME 功率电子家族，并使 MA 的高效激励在高渗透军用水下和民用紧急救援分配长波通信系统中得到了潜在应用，适用于潜艇、地下铁道、隧道和倒塌居民楼等实际场景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Smart Materials and Structures 工程技术-材料科学：综合

CiteScore

7.50

自引率

12.20%

发文量

317

审稿时长

3 months

期刊介绍： Smart Materials and Structures (SMS) is a multi-disciplinary engineering journal that explores the creation and utilization of novel forms of transduction. It is a leading journal in the area of smart materials and structures, publishing the most important results from different regions of the world, largely from Asia, Europe and North America. The results may be as disparate as the development of new materials and active composite systems, derived using theoretical predictions to complex structural systems, which generate new capabilities by incorporating enabling new smart material transducers. The theoretical predictions are usually accompanied with experimental verification, characterizing the performance of new structures and devices. These systems are examined from the nanoscale to the macroscopic. SMS has a Board of Associate Editors who are specialists in a multitude of areas, ensuring that reviews are fast, fair and performed by experts in all sub-disciplines of smart materials, systems and structures. A smart material is defined as any material that is capable of being controlled such that its response and properties change under a stimulus. A smart structure or system is capable of reacting to stimuli or the environment in a prescribed manner. SMS is committed to understanding, expanding and dissemination of knowledge in this subject matter.