نتایج جستجو برای: vapour deposition
تعداد نتایج: 99614 فیلتر نتایج به سال:
A very smooth surface film of c-axis oriented Y B a z C w G (YBCO) with roughness of less than monomolecular layer over lOpmxlO~rn, free of precipitates, has been obtained by atomic layer-by-layer metalorganic chemical vapor deposition (MOCVD) on a SrTi03 substrate at 650°C. A very large terrace length of 0.3-0.5pm may be due to the enhanced migration of growing species on the surface. The resu...
This paper reviews briefly the development of physical vapour deposition based HTS thin film preparation technologies to today’s state-of-the-art methods. It covers the main trends of in-situ process and growth control. The current activities to fabricate tapes for power applications as well as to tailor interfaces in cuprate are described. Some future trends in HTS thin film research, both f...
Deep-level transient spectroscopy has been used to characterize electronic defects in n-type GaN grown by reactive molecular-beam epitaxy. Five deep-level electronic defects were observed, with activation energies E150.23460.006, E250.57860.006, E350.65760.031, E450.96160.026, and E550.24060.012 eV. Among these, the levels labeled E1 , E2 , and E3 are interpreted as corresponding to deep levels...
Atomized spray deposition of 3,4-ethylenedioxythiophene monomer in the presence of triflic anhydride vapour yields electrically conducting poly(3,4-ethylenedioxythiophene) layers.
At the beginning of the seventies, a break-through took place in the telecommunication research. The introduction of Chemical Vapour Deposition technology in the manufacture of optical fibres allowed both technical quality and economical convenience to realise optical networks, thus beginning the telecommunication revolution. Since that moment, a great development of the CVD techniques has been...
Using theoretical calculations we predict a novel family of compounds, which might serve for hydrogen storage, and for chemical vapour deposition of titanium carbide coatings.
چکیده ندارد.
The production of high-quality graphene-oxide interfaces is normally achieved by graphene growth via chemical vapour deposition on a metallic surface, followed by transfer of the C layer onto the oxide, by atomic layer and physical vapour deposition of the oxide on graphene or by carbon deposition on top of oxide surfaces. These methods, however, come with a series of issues: they are complex, ...
Vanadium dioxide (VO 2 ) undergoes semiconductor-metal phase transition (SMPT) at the ambient temperature. Due to this fact, it becomes perspective material for thermo sensors, thermo switchers, optical switchers and shutters, IR sensors, thermochromic coatings, smart coatings for glasses, holographic elements, and elements of energy-independent memory. By now, there is no doubt that the charac...
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