Journal
THIN SOLID FILMS
Volume 478, Issue 1-2, Pages 159-163Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2004.10.032
Keywords
electrical properties and measurements; magnetic properties and measurements; organometallic vapor deposition; structural properties
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Epitaxial ruthenium oxide (RuO2) thin films have been grown on (100) TiO2 substrates by chemical vapor deposition at temperatures as low as 300 degrees C using tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ruthenium [Ru(TMHD)(3)] as a precursor with oxygen carrier gas. These films exhibit low resistivity, with room-temperature values as low as similar to 40 mu Omega cm. The surface morphology, epitaxial strain and resistivity as a function of film thickness have been compared with those of similarly deposited epitaxial CrO2 films on TiO2. The temperature dependence of the resistivity for both set of films can be fit well using a combination of the Bloch-Gruneisen formula for electron-phonon scattering and additional scattering terms, including magnon scattering in the case Of CrO2. (c) 2004 Elsevier B.V. All rights reserved.
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