Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a The linear and semilog I–V curves with ~2.8 µN tip force and a time duration of 10 s. b The maximum current (Imax) under different tip forces and time duration. c The schematic of modulating Cu ions transport via the piezo- and flexo-electric effect. d The schematic of the reduced vdW gap distance and enhanced ionic migration across the vdW gap under the condition without strain (W/O strain) and with strain (W strain).
