Lattice widening in niobium-doped TiO2 nanotubes: efficient ion intercalation and swift electrochromic contrast.
Ghicov
Andrei
A
University of Erlangen-Nuremberg, Department of Materials Science, WW4-LKO, Martensstrasse 7, 91058 Erlangen, Germany.
Yamamoto
Masahiro
M
Schmuki
Patrik
P