Year

2020

Degree Name

Doctor of Philosophy

Department

Institute for Superconducting and Electronic Materials

Abstract

In recent decades, the interest has increased in the use of magneto-electric (ME) composites for various applications in magnetic energy harvesting and magnetic field sensing. This dissertation investigates two approaches to achieve giant ME effect in piezoelectric based ME composites, and investigate its applications in (i) magnetic energy harvesting; (ii) weak magnetic field sensing and positioning. One general approach through the entire dissertation is to theoretically analyse the piezoelectric based ME composite system, optimization of the structure and to develop fabrication and measurement for the energy harvesting and sensing applications.

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Unless otherwise indicated, the views expressed in this thesis are those of the author and do not necessarily represent the views of the University of Wollongong.