pun4dApplied PUND snal (a) and measured current (b), as function of time for fields below the AFE-FE transition. Global I(E) cycle (c) and I(E) cycle of only the ferroelectric switching contributionDownload scientific diagram | Conventional PUND experiments to probe rate effects: (a) schematic of the electrical loading sequence of a single PUND experiment; (b) data from three