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In-doped transparent and conducting cubic Magnesium Zinc Oxide thin films grown by Pulse Laser Deposition |
Chun Hei Lau , Lin Zhuang , Kin Hung Wong |
The Hong Kong Polytechnic University (HK, PolyU), Hung Hom, Hong Kong, Hong Kong |
Abstract |
In-doped n-type semi-conducting Magnesium Zinc Oxide (MZO) thin films have been fabricated on MgO (100) and LaAlO3 (LAO) (100) substrates under low oxygen ambient pressure by Pulse Laser Deposition (PLD). X-ray diffraction and TEM studies reveal the presence of pure phase cubic MZO (c-MZO). High quality cube-on-cube epitaxy is obtained in films grown on MgO. For films deposit on LAO, they exhibit heteroepitaxial relationship of (100)c-MZO||(100)LAO and (011)c-MZO||(010)LAO. All as-prepared c-MZO thin films show good optical transmittance over the whole visible spectrum. Samples with In dopant concentration above 8 at. % yield an electrical resistivity of less than 10-2Ωcm and can be used as Transparent Conducing Oxide (TCO) thin films. |
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Presentation: Poster at E-MRS Fall Meeting 2006, Symposium F, by Chun Hei LauSee On-line Journal of E-MRS Fall Meeting 2006 Submitted: 2006-05-13 16:26 Revised: 2009-06-07 00:44 |