Articles written in Bulletin of Materials Science
Volume 26 Issue 4 June 2003 pp 365-369 Thin Films
High dielectric constant (high-𝑘) Ta2O5 films have been deposited on ZnO/𝑝-Si substrate by microwave plasma at 150°C. Structure and composition of the ZnO/𝑝-Si films have been investigated by X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) for chemical composition. The electrical properties of the Ta2O5/ZnO/𝑝-Si metal insulator semiconductor (MIS) structures were studied using high frequency capacitance–voltage (𝐶–𝑉), conductance–voltage (𝐺–𝑉) and current–voltage (𝐼–𝑉) characteristics. Charged trapping properties have been studied by measuring the gate voltage shift due to trapped charge generation under Fowler–Nordheim (𝐹–𝑁) constant current stressing.
Volume 27 Issue 5 October 2004 pp 445-451 Thin Films
Cubic silicon carbide (3C-SiC) thin films were grown on (100) and (111) Si substrates by CVD technique using hexamethyldisilane (HMDS) as the source material in a resistance heated furnace. HMDS was used as the single source for both Si and C though propane was available for the preliminary carbonization. For selective epitaxial growth, patterned Si (100) substrates were used. The effect of different growth parameters such as substrate orientation, growth temperature, precursor concentration, etc on growth was examined to improve the film quality. The surface morphology, microstructure and crystallinity of grown films were studied using optical microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis and X-ray photoelectron spectroscopy (XPS).
Volume 42 | Issue 6
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