1. Continuous tuning of phase transition temperature in VO2 thin films on c-cut sapphire substrates via strain variation
Jie Jian and Haiyan Wang, Purdue University
VO2 shows great potential in various electrical and optical devices
The Tc of VO2 films can be tuned for 20 ºC in two simple approaches: varying VO2 thickness and VO2/AZO interface roughness
The Tc tuning is without significant degradation of other transition properties.
TEM characterizations on
VO2/AZO/c-cut Al2O3
Tc tuning by varying
VO2 film thickness
Lattice matching
between VO2 and ZnO
NEEDS Annual Review: May 8-9, 2017