%0 Journal Article %T An Umbrella-Shaped Topology for Broadband MEMS Piezoelectric Vibration Energy Harvesting %A Jia, Yu %A Du, Sijun %A Seshia, Ashwin A. %J Journal of Physics: Conference Series %V 1407 %N 1 %P 4 %@ 1742-6588 %D 2019-11-01 %~ DeepDyve