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Cover Picture: Phys. Status Solidi RRL 5–6/2010
Publication year - 2010
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.201090005
Subject(s) - electrolyte , cover (algebra) , nucleation , nanotube , nanotechnology , materials science , physics , thermodynamics , engineering , mechanical engineering , quantum mechanics , electrode , carbon nanotube
In their Rapid Research Letter on p. 100, Mihai Enachi et al. demonstrate that anodization of Ti sheets in ethylene glycol and HF containing electrolyte leads to the formation of ordered arrays of double‐walled TiO 2 nanotubes. Interestingly, the inner diameter can be tuned in the range from 10 nm to 250 nm through the change of the electrolyte temperature while the outer nanotube diameter and the density of nanotubes remain temperature independent. The authors present evidence for the formation of a self‐organized surface nucleation layer that is genetically connected to the outer nanotube shell at the origin of this phenomenon. These findings pave the way for manufacturing ordered arrays of TiO 2 nanotubes with modulated inner diameter by a simple change of the electrolyte temperature.