نتایج جستجو برای: titanium dioxide thin film

تعداد نتایج: 304983  

Journal: :Frontiers in electronics 2022

Titanium dioxide (TiO 2 ) is an abundant metal oxide, widely used in food industry, cosmetics, medicine, water treatment and electronic devices. TiO of interest for next-generation indium-free thin-film transistors ion-gated due to its tunable optoelectronic properties, ambient stability, solution processability. In this work, we fabricated films using a wet chemical approach demonstrated their...

2015
Chen-Wei Li An-Chou Yeh

High temperature tensile tests have been conducted on samples of a Fe-Ni based superalloy, Incoloy A-286, and significant ductility loss has been observed at 1220 °C. Titanium-rich, thin-film-like phase has been found on the inter-granular facets of fracture surfaces. It appears that sulfur content of Ti-rich phase was higher than that of the matrix. At 1220 °C, liquation of Ti-rich phases has ...

2011
Haleh Kangarlou

Ti films with the same thickness, deposition angle (near normal) and deposition rate were deposited on glass substrates at room temperature under UHV conditions. Different annealing temperatures 120, 270 and 320 degree Celsius with 7 cm/sec uniform oxygen flow, were used for producing titanium oxide layers. Thin film structures were studied by AFM and XRD methods. During annealing processes rou...

2011
Y.-L. Pan C.-C. Tai

Photoinductive (PI) field mapping for eddy-current (EC) probes above a thin metal film was performed by multiphysics analysis with two-dimensional finite element method (FEM). The FEM model of PI method was used to observe how metal film properties affect the field-mapping signals of EC probes. The PI signal was tested for effects of resistivity, temperature coefficient of the resistivity, ther...

Journal: :Journal of the Surface Finishing Society of Japan 1989

2001
D. R. Walters

A thin film coating of titanium nitride was applied to the surface of rf cavity tuners to reduce secondary electron generated when the existing copper base material is in place. The tuners are used in high-field gradients, where electron heating of the tuner is a problem. By reducing the generation of electrons the temperature of the tuners will be reduced, for better reliability. This paper co...

Ali Jasemnejad Payam Moaveni,

Nanoparticles of titanium increase cell growth by improvement of photosynthetic and nitrogen metabolism and therefore, caused an increasing in weight of the plant. This re-search was conducted to evaluate seed yield and biochemical traits of bread wheat affected by different levels of titanium dioxide Nanoparticles in Ahvaz region, Khuzestan province, located at southwestern Iran by factorial e...

In this study, different samples of Niobium and Vanadium co-doped titania  thin films (5-10-15 mol% Nb and 5-10-15 mol% V) were prepared via sol−gel dip coating method, using niobium chloride as niobium precursor, ammonium metavanadate as vanadium precursor, and titanium (IV) butoxide (TBT) as titanium precursor. The effects of doping amount on the structural, optical, and photo-catalytic prope...

Journal: :Applied optics 1997
B H Jun S S Han K S Kim J S Lee Z T Jiang B S Bae K No D W Kim H Y Kang Y B Koh

Titanium oxide thin film, fabricated with tetraisopropyltitanate and oxygen by electron cyclotron resonance-plasma-enhanced chemical vapor deposition, is investigated as a potential candidate for the antireflective layer in KrF excimer laser (248-nm) lithography. The oxygen flow-rate dependence of the optical properties such as the refractive index (n) and the extinction coefficient (k) of the ...

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