# A novel M-shaped 2-DOF piezoelectric energy harvester with built-in outer-inner magnetic tri-stable oscillators for energy converting enhancement and applications

> Research article (Mechanical Systems and Signal Processing, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4390165948](https://www.wikidata.org/wiki/openalex:W4390165948)  
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