title: Through-hole, self-ordered nanoporous oxide layers on titanium, niobium and titanium-niobium alloys in aqueous and organic nitrate electrolytes.
authors.affiliation: Department of Material Science WW4-LKO, University of Erlangen-Nuremberg Martensstraße 7, 91058 Erlangen (Germany), E-mail: schmuki@ww.uni-erlangen.de.
authors.forename: Robin
authors.initials: R
authors.lastname: Kirchgeorg
authors.affiliation: Department of Material Science WW4-LKO, University of Erlangen-Nuremberg Martensstraße 7, 91058 Erlangen (Germany), E-mail: schmuki@ww.uni-erlangen.de.
authors.forename: Wei
authors.initials: W
authors.lastname: Wei
authors.affiliation: Department of Material Science WW4-LKO, University of Erlangen-Nuremberg Martensstraße 7, 91058 Erlangen (Germany), E-mail: schmuki@ww.uni-erlangen.de.
authors.forename: Kiyoung
authors.initials: K
authors.lastname: Lee
authors.affiliation: Department of Material Science WW4-LKO, University of Erlangen-Nuremberg Martensstraße 7, 91058 Erlangen (Germany), E-mail: schmuki@ww.uni-erlangen.de.
authors.forename: Seugli
authors.initials: S
authors.lastname: So
authors.affiliation: Department of Material Science WW4-LKO, University of Erlangen-Nuremberg Martensstraße 7, 91058 Erlangen (Germany), E-mail: schmuki@ww.uni-erlangen.de.
authors.forename: Patrik
authors.initials: P
authors.lastname: Schmuki
keywords: nanotubes; niobium pentoxide; self-organization; through-hole morphology; titanium dioxide