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Nanoscale Research Letters
Fig. 6 | Nanoscale Research Letters

Fig. 6

From: A Review on the Electrochemically Self-organized Titania Nanotube Arrays: Synthesis, Modifications, and Biomedical Applications

Fig. 6

Typical current time curve under a constant voltage in electrolytes containing fluoride. The transient can be divided into three distinct regions (I–III). (I) In the first part, there is a sharp current decay. (II) In the second part, the current begins to rise again with a time lag. (III) In the third part, the current reaches a steady state reproduced from ref. [51]

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