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.
Microstructure of TiO2 surface layers produced on NiTi alloy: at 290 °C on ground surface (a), at 290 °C on polished surface (c), at 190 °C on ground surface (e), and at 390 °C on ground surface (g); corresponding HRSTEM images of TiO2 layers (a’,c’,e’,g’) and corresponding linear distributions of elements in the TiO2 layers (b,d,f,h).
