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) Gradual SET under positive triangle pulses (from 0 to 4.5 V) (inset: the I-t and V-t curves of (a), representing the gradual increasing of current with time); (b) gradual RESET under negative triangle pulses (from 0 to −5 V) (inset: the I-t and V-t curves of (b), representing the gradual decreasing of current with time).
