Fig. 2
From: Highly sensitive integrated flexible tactile sensors with piezoresistive Ge 2 Sb2Te5 thin films
a Photograph showing the flexibility of the GST strain sensor. b Schematic illustration of the GST sensor attached to a piezoelectric PZT slab. c Spectrum analysis of the electrical response in GST strain sensor with and without strain. d SNR curve of the sensor showing a limit of detection of 50 ppb
