This work was carried out to elucidate the mechanism underlying the formation of zirconium and titanium oxide mixed layers on titanium substrates via plasma electrolytic oxidation (PEO) and plasma-enhanced electrophoresis. A series of constant high anodic currents were applied to KOH-based elect...

Titanium-zirconium mixed oxide microspheres and titanium oxide microcubes have been prepared by using sol-gel processes, which are further modified by chiral sulfonyl chloride in order to improve their activities for oxidation of alkenes. Characterizations reveal that the titanium-zirconium micr...

This paper reports the detailed Judd-Ofelt (J-O) analysis of Er3+-doped antimony phosphate glass system incorporated with silver nanoparticles (Ag NPs). Such glass system of composition (59.5-x)Sb2O3–35P2O5–5MgO–0.5Er2O3–xAgCl (0

An all-fiber passively mode-locked thulium-doped fiber laser (TDFL) that uses a graphene oxide (GO) film as a saturable absorber (SA) is reported. Stable pulses with a center wavelength of 1920.8 nm are generated at a repetition rate of 17.3 MHz. The pulse spectral width is 3.4 nm and the pulse ...

Thulium (Tm) doped Ga2O3 films were deposited on sapphire substrates by pulsed laser deposition (PLD) with changing Tm compositions in the targets. Energy dispersive spectroscopy results reveal that films with different Tm compositions can be tailored by changing the Tm composition in the target...

In this work, we propose and demonstrate a mode-locked thulium doped fiber laser (TDFL) with an integrated cobalt oxide (Co3O4) saturable absorber (SA). The SA is fabricated by suspending Co3O4 nanosheets in a polymer film before being secured between two fiber ferules. The laser operates in the...

Tm3+ doped SnO2 semiconductor thin films were prepared by RF magnetron sputtering method. The doping effects of rare-earth thulium on the crystal structures, optical properties, chemical compositions, surface morphologies of tin-oxide thin films, together with the electrical properties of the co...

A passively Q-switched and mode-locked fiber laser based on thulium-doped fiber laser (TDFL) cavity was demonstrated utilizing nickel oxide (NiO) nanoparticles as a saturable absorber (SA). The NiO synthesis was carried out by using a facile sonochemical method and the prepared NiO thin film was...

This paper investigates the band line-up and optical properties (dielectric function) of Tm2O3/Ge gate stacks deposited by atomic layer deposition. X-ray photoelectron spectroscopy has been performed to ascertain the shallow core levels (Ge3d and Tm4d) in ultra-thin and bulk Tm2O3/Ge stacks as w...

In this work, a 2.0-µm mode-locked thulium doped fiber laser is demonstrated using zinc oxide (ZnO) as the saturable absorber (SA) in a thulium doped fiber laser (TDFL). The ZnO nanorods was prepared by the facile hydrothermal method, and then embedded in polyethylene oxide composite film to fo...

The aim of this work is to evaluate the effect of laboratory synthesized ZnTiO3 nanoparticles on rheological and filtration characteristics and their response to heating in a drilling fluid. This work is the first study where the use of zinc titanate (ZnTiO3) nanoparticles is reported to improve...

ZnO/zinc titanate composite materials and pure ZnO have been prepared by sol–gel method. Their structures and photoluminescence properties have been studied. All the samples show a green emission at about 500 nm. The green emission of ZnO/zinc titanate composite materials is greatly enhanced co...

The aim of this study is to accurately obtain of local atomic structures of zinc titanates (ZnTiO3 and Zn2TiO4). Samples have been synthesized by the ball milling method using mixture of high purity ZnO and TiO2 powders. X-ray diffraction (XRD), X-ray absorption near edge structure (XANES), and ...

We synthesized zinc titanate nanopowder in different crystal structures by varying calcination temperature and time and phase evolution is qualitatively investigated using reference intensity ratio (RIR) approach. The electronic properties showed 2.9 eV as indirect band transition, and 3.59 ± 0...

Nano crystalline Barium strontium titanate (BST) and zinc doped barium strontium titanate (BSZT) with general formula Ba0.5−xSr0.5ZnxTiO3 (x = 0, 0.05, 0.10 and 0.15) were synthesized by modified sol–gel method. The synthesized nano crystalline powders were characterized using XRD, UV-DRS, FTIR...

Chemical and biological warfare agents have detrimental effects on biological systems. These agents are rapidly absorbed through skin and hence warrant immediate decontamination. Zinc titanate (ZnTiO3), is a well-proven moiety used for neutralizing chemical warfare agents (CWA) and silver is wid...

Zinc titanate composite materials were synthesized via solid state sintering process using high-purity metal oxide powders (purity ∼99.99%). The titanium incorporation into ZnO matrix was investigated by X-ray diffraction which revealed the coexistence of spinel Zn2TiO4 and hexagonal ZnTiO3 wit...

In this work the thermodynamical solubility diagrams of zinc and titanium hydroxides were reviewed in order to determine the conditions for maximum degree of phase composition homogenization of precipitates. Experimental investigation of dependency of titanium peroxohydroxide solubility on solut...

Viewing the future application as luminescent filler for security paint we synthesized and characterized titanium-zinc poly(ethylene citrate) before and after thermal treatment. The polymeric precursor was obtained by sol-gel method at 80–120 °C using zinc acetate/titanium (IV) isopropoxide as...

Strontium zirconate perovskite thin films were deposited on Si(1 0 0) substrates by metal organic chemical vapour deposition (MOCVD) in a cold wall reactor using direct injection process of two β-diketonates precursors. Oxide growth was observed over a temperature ranging from 700 to 1000 °C a...