Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Janne-Petteri Niemelä Name of the doctoral dissertation Thin Films of TiO2 and Related Oxides by ALD/MLD: Tailoring of Transport Properties Publisher School of Chemical Technology Unit Department of Chemistry Series Aalto University publication series DOCTORAL DISSERTATIONS 136/2015 Field of research Inorganic Chemistry Manusc...

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The next generation of nonvolatile memory storage may well be based on resistive switching in metal oxides. TiO2 as transition metal oxide has been widely used as active layer for the fabrication of a variety of multistate memory nanostructure devices. However, progress in their technological development has been inhibited by the lack of a thorough understanding of the underlying switching mech...

The scanning electrochemical microscope (SECM) was used to characterize the atomic layer deposition (ALD) of TiO2 on indium-doped tin oxide (ITO) substrates by studying electron transfer through pores in the thin films (1−5 nm thickness). The extent of electron transfer, and thus the porosity of the films, was evaluated by transient electrochemistry. These studies show that ALD deposition of Ti...

Nanoscale topography in improving vascular response in vitro was established previously on various titanium surfaces. In the present study different surface nanotopographies that is different diameters of titanium dioxide (TiO2 ) nanotubes (NTs) were fabricated by electrochemical anodization and conditioned with highly reactive gaseous oxygen plasma. The morphology of different diameter NTs was...

The microwave properties of structures in the form 2 μm iron-yttrium garnet (YIG) films, grown by ion beam sputtering deposition method on epitaxially mismatched substrates ferroelectric ceramics based lead zirconate titanate (PZT, PbZr0.45Ti0.55O3), are discussed. obtained were formed and pre-smoothed planarization with use an anti-diffusion layer titanium dioxide TiO2. atomic force microscopy...

In this study, the halloysite nanotube material will be fabricated from a natural mineral and used as support for photocatalytic activity phase based on TiO2. The is characterized by modern physicochemical methods such XRD, SEM, BET, UV - vis spectrum, EDX. Accordingly, refined has nanoscale with length of about 1.3 μm capillary size 5 nm. After deposition Ag TiO2 halloysite, specific surface m...

BACKGROUND Substrate nanoscale topography influences cell proliferation and differentiation through mechanisms that are at present poorly understood. In particular the molecular mechanism through which cells 'sense' and adapt to the substrate and activate specific intracellular signals, influencing cells survival and behavior, remains to be clarified. RESULTS To characterize these processes a...