Unravelling the structural origin of cyclic fatigue in ferroelectrics
Unravelling the structural origin of cyclic fatigue in ferroelectrics
批准号:
DP190101155
负责人:
Prof Xiaozhou Liao
金额:
$28.78万
依托单位:
依托单位国家:
澳大利亚
项目类别:
Discovery Projects
财政年份:
2019
资助国家:
澳大利亚
项目状态:
已结题
起止时间:
2019-01-01 至 2024-12-31
中文摘要
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英文摘要
Ferroelectric materials have extensive applications in electromechanical devices and memories and in service are often subjected to repeat mechanical and/or electrical loading, leading to cyclic fatigue and failure. This project aims to apply in-situ electron microscopy techniques and computational modelling to explore cyclic ferroelectric fatigue behaviour and to understand the relationships between local atomic scale structure and fatigue. The structural origin of ferroelectric fatigue has not been clear because of the limitations of previous measurement capabilities. This project will provide guidance in materials design to increase ferroelectric fatigue lifetime for more reliable ferroelectric-based electronic devices.
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