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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02965naa a2200361 4500 | |
| 001 | oai:DiVA.org:liu-41936 | |
| 003 | SwePub | |
| 008 | 091010s2007 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-419362 URI |
| 024 | 7 | a https://doi.org/10.1016/j.spmi.2007.04.0732 DOI |
| 040 | a (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Khranovskyy, V.4 aut |
| 245 | 1 0 | a Conductivity increase of ZnO :b Ga films by rapid thermal annealing |
| 264 | 1 | b Elsevier BV,c 2007 |
| 338 | a print2 rdacarrier | |
| 520 | a Due to a constant increase in demands for transparent electronic devices the search for alternative transparent conducting oxides (TCO) is a major field of research now. New materials should be low-cost and have comparable or better optical and electrical characteristics in comparison to ITO. The use of n-type ZnO was proposed many years ago, but until now the best n-type dopant and its optimal concentration is still under discussion. Ga was proposed as the best dopant for ZnO due to similar atomic radius of Ga3+ compared to Zn2+ and its lower reactivity with oxygen. The resistivity ρ of ZnO:Ga/Si (100) films grown by PEMOCVD was found to be 3×10-2 Ω cm. Rapid thermal annealing (RTA) was applied to increase the conductivity of ZnO:Ga (1 wt%) films and the optimal regime was determined to be 800 {ring operator}C in oxygen media for 35 s. The resistivity ratio ρbefore / ρafter before and after the annealing and the corresponding surface morphologies were investigated. The resistivity reduction (ρbefore / ρafter ≈ 80) was observed after annealing at optimal regime and the final film resistivity was approximately ≈4×10-4 Ω cm, due to effective Ga dopant activation. The route mean square roughness (Rq) of the films was found to decrease with increasing annealing time and the grain size has been found to increase slightly for all annealed samples. These results allow us to prove that highly conductive ZnO films can be obtained by simple post-growth RTA in oxygen using only 1% of Ga precursor in the precursor mix. © 2007 Elsevier Ltd. All rights reserved. | |
| 653 | a NATURAL SCIENCES | |
| 653 | a NATURVETENSKAP | |
| 700 | 1 | a Grossner, U.4 aut |
| 700 | 1 | a Kopylova, L.I.4 aut |
| 700 | 1 | a Lazorenko, V.4 aut |
| 700 | 1 | a Budnikov, A.T.4 aut |
| 700 | 1 | a Lashkarev, G.V.4 aut |
| 700 | 1 | a Svensson, B.G.4 aut |
| 700 | 1 | a Yakimova, Rositsa,d 1942-u Linköpings universitet,Tekniska högskolan,Halvledarmaterial4 aut0 (Swepub:liu)rosia15 |
| 710 | 2 | a Linköpings universitetb Tekniska högskolan4 org |
| 773 | 0 | t Superlattices and Microstructuresd : Elsevier BVg 42:1-6, s. 379-386q 42:1-6<379-386x 0749-6036x 1096-3677 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-41936 |
| 856 | 4 8 | u https://doi.org/10.1016/j.spmi.2007.04.073 |
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