Fig. 3From: Application of ferroelectric materials for improving output power of energy harvesters(Reproduced from [20] with copyright permission from 2014 John Wiley & Sons)a SEM image of ZnSnO3 nanocubes and crystal structure characterization using XRD and SAED pattern. b Schematic structure of composite based PENG and output performance by vertical stress using vehicle. c Working mechanism of charge induction by stress-induced poling effectBack to article page