Double-Focusing Gradient-Index Lens with Elastic Bragg Mirror for Highly Efficient Energy Harvesting

The applicability of piezoelectric energy harvesting is increasingly investigated in the field of renewable energy. In improving harvester efficiency, manipulating elastic waves through a geometric configuration as well as upgrading harvester elements is important. Periodic structures, such as phono...

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Bibliographic Details
Main Authors: Jeonghoon Park, Geon Lee, Dongwoo Lee, Miso Kim, Junsuk Rho
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/12/6/1019