Phase transformations in copper oxide nanowires

Cu nanowires were electrodeposited into the nanopores of self-ordered aluminum oxide films. CuO and Cu 2 O nanowires were fabricated by oxidizing Cu nanowires in air. Cu nanowires oxidized at 250 ° C transform only to Cu 2 O (grain size ∼ 21 nm ), they transform to a mixture of CuO and Cu 2 O above...

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Bibliographic Details
Published in:Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena Microelectronics and nanometer structures processing, measurement and phenomena, 2005-11, Vol.23 (6), p.2557-2560
Main Authors: Han, Sheng, Chen, Hong-Ying, Chu, Yuh-Bin, Shih, Han C.
Format: Article
Language:English
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Summary:Cu nanowires were electrodeposited into the nanopores of self-ordered aluminum oxide films. CuO and Cu 2 O nanowires were fabricated by oxidizing Cu nanowires in air. Cu nanowires oxidized at 250 ° C transform only to Cu 2 O (grain size ∼ 21 nm ), they transform to a mixture of CuO and Cu 2 O above 350 ° C and finally to CuO with a preferred orientation of CuO (111) at 900 ° C .
ISSN:0734-211X
1071-1023
2327-9877
1520-8567
DOI:10.1116/1.2126672