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Study on the electr...
Study on the electronic and structural properties of oxidized copper films
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- Rafei, Mouna (författare)
- Umeå universitet,Institutionen för fysik
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- Miranda la Hera, Vladimir (författare)
- Umeå universitet,Institutionen för fysik
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- Barzegar, Hamid Reza (författare)
- Umeå universitet,Institutionen för fysik
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- Gracia-Espino, Eduardo (författare)
- Umeå universitet,Institutionen för fysik
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- Wågberg, Thomas, 1971- (författare)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- American Institute of Physics (AIP), 2022
- 2022
- Engelska.
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Ingår i: AIP Advances. - : American Institute of Physics (AIP). - 2158-3226. ; 12:10
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A detailed study of the oxidation of Cu substrates was carried out under controlled conditions by regulating the pressure, atmosphere composition, process time, and temperature. By tuning the synthesis conditions, the formation of cuprous oxide (Cu2O) or cupric oxide (CuO) could be preferentially promoted. The oxidation temperature was varied from 400 to 1050 °C, and a gradual oxidation of metallic Cu to Cu2O was achieved at mild oxidation conditions (400-600 °C), while the formation of CuO was only observed at higher temperatures (≥900 °C). The surface morphology was also affected changing from a highly granular texture (400 °C) with grain sizes between 0.59 ± 0.15 μm to smooth large crystallites (≥900 °C) with a size within 2.76 ± 0.97 μm. We also show that by controlling the oxidation temperature (400-1050 °C), it is possible to tune the work function and the ionization potential of the resulting Cu2O/CuO film, properties that are important for various optoelectronic applications.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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