Structural properties of high-quality sputtered Fe films on Al2O3(1120) and MgO(001) substrates |
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Authors: | Th Mühge A Stierle N Metoki H Zabel U Pietsch |
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Institution: | 1. Institut für Experimentalphysik/Festk?rperphysik, Fakult?t für Physik und Astronomie, Ruhr Universit?t Bochum, D-44780, Bochum, Germany 2. Fachbereich Physik, Universit?t Potsdam, Am neuen Palais 10, D-14469, Potsdam, Germany
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Abstract: | High-quality thin Fe films were deposited on MgO(001) and Al2O3(1120) substrates in the thickness range from 7 to 50 nm. The structural properties have been studied by out-of-plane and in-plane X-ray scattering experiments. From the out-of-plane measurements the electron density profile was determined together with interface and surface roughness parameters. Fe on Al2O3 grows along the 110]-direction with a structural coherence length comprising about the total film thick ness and a very small mosaicity. From in-plane scattering experiments a three-domain structure was observed. On MgO(001) substrates Fe grows in the 001]-direction, with the Fe 100]-axis parallel to the MgO 110]-axis. On both substrates, the Fe films exhibit a very small surface and interface roughness, indicative for a high quality of the sputtered samples. |
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Keywords: | PACS" target="_blank">PACS 81 15 Cd 68 55 Jk 61 10 -i |
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