Unidirectional volatile switching behavior is a typical resistive phenomenon in oxides, which has been proposed as attractive candidates for selection devices high density memory and neuromorphic systems applications with cross-point arrays. However, the microscopic origin of underlying mechanism still unclear due to lack direct experimental evidence. Here, performance device low forming voltag...

Removal of VOCs by photocatalysis process using adsorption enhanced TiO2–SiO2 catalyst Linda Zou a,∗, Yonggang Luo b, Martin Hooper c, Eric Hu b a Institute of Sustainability and Innovation, Victoria University, P.O. Box 14428, Melbourne, Vic. 8001, Australia b School of Engineering and Technology, Deakin University, Geelong, Vic. 3217, Australia c Gippsland Centre for Environmental Science, Mo...

Antireflection (AR) coatings are indispensable in numerous optical applications and are increasingly demanded on highly curved optical components. In this work, optical thin films of SiO2, Al2O3, TiO2 and Ta2O5 were prepared by atomic layer deposition (ALD), which is based on self-limiting surface reactions leading to a uniform film thickness on arbitrarily shaped surfaces. Al2O3/TiO2/SiO2 and ...

Rare-earth free Alnico permanent magnet is composed of spinodally decomposed ferromagnetic L10 Fe–Co rich (?1 phase) embedded in paramagnetic or weak L12 Al–Ni (?2 matrix. We deposited ?1 phase alloy (Fe52Co35.8Al5.6Ni5.3Ti0.9Cu0.4) on (111) oriented Pt (100 nm)/TiO2/SiO2/Si substrate to investigate coercivity enhancement induced by the and also interdiffusion through annealing. It demonstrated...

Hard-shell case: Using a (RKK)4 D8 peptide allows mineralization to occur under cytocompatible conditions. Thus individual Chlorella cells could be encapsulated within a SiO2 -TiO2 nanoshell with high cell viability (87 %). The encapsulated Chlorella showed an almost threefold increase in their thermo-tolerance after 2 h at 45 °C.

Conductive and transparent multilayer thin films consisting of three alternating layers (TiO2/Ag/SiO2, TAS) have been fabricated for applications as transparent conducting oxides. Metal oxide and metal layers were prepared by electron-beam evaporation with ion-assisted deposition, and the optical and electrical properties of the resulting films as well as their energy bounding characteristics a...

A series of TiO2-ZrO2/SiO2 nanocomposites were synthesized using a liquid-phase method and characterized by various techniques, namely, nitrogen adsorption-desorption, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, high-resolution transmission electron microscopy, and photon correlation spectroscopy (PCS). It was revealed that the component ratio and calcin...

The adsorption of CO on TiO2~110! is investigated using the full-potential linearized-augmented-plane-wave method. The equilibrium structures of the clean and adsorbed TiO2~110! surfaces are optimized through total-energy and atomic force calculations. Two geometries of CO absorption, namely, OC-Ti and CO-Ti, were considered. It is found that the former orientation is preferred. The calculated ...

We describe an optical coating design suitable for broad bandwidth high reflection (BBHR) at 45 ̋ angle of incidence (AOI), P polarization (Ppol) of femtosecond (fs) laser pulses whose wavelengths range from 800 to 1000 nm. Our design process is guided by quarter-wave HR coating properties. The design must afford low group delay dispersion (GDD) for reflected light over the broad, 200 nm bandwid...

Erbium co-doped TiO2 /Ag catalysts are synthesized by using a simple, one-step solvothermal method and characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, Raman analysis, X-ray photoelectron spectroscopy, and diffuse reflectance spectroscopy. The catalysts exhibit anatase crystal structures with increased visible light absorption co...