نتایج جستجو برای: ultra thin film
تعداد نتایج: 240251 فیلتر نتایج به سال:
A low voltage, wide bandwidth compact electro-optic modulator is a key building block in the realization of tomorrow’s communication and networking needs. Recent advances fabrication application thin-film lithium niobate, its integration with photonic integrated circuits based silicon make it an ideal platform for such device. In this work, high-extinction dual-output folded Mach Zehnder nitrid...
Printing electronics has become increasingly prominent in the field of electronic engineering because this method is highly efficient at producing flexible, low-cost and large-scale thin-film transistors. However, TFTs are typically constructed with rigid insulating layers consisting of oxides and nitrides that are brittle and require high processing temperatures, which can cause a number of pr...
An experimental/computation investigation was carried out to develop a MEMS-based micro cooling device to provide direct cooling to high heat flux electronics and MEMS devices. This device uses the electrohydrodynamic principles to pump and form an ultra thin film over a heated surface that requires cooling. The important part is played by applying an electric field to a set of interdigitated i...
A scanning transmission electron microscope (STEM) is used to examine the structural and chemical quality of the interface between thin films of YBa2Cu3O72d (YBCO) and BaF2. The STEM images indicate that it is possible to grow a uniform thin film of BaF2 that is relatively free of gross defects via a thermal evaporation method on top of a YBCO thin film. The diffraction contrast results also su...
We synthesized α-Fe₂O₃ (hematite) thin films with two different nanoscopic morphologies through self-assembly between a Fe-precursor and a Pluronic tri-block copolymer (F127) followed by aging and calcination. Relative humidity (RH) during the aging step of the spin-coated films was found to be critical in determining the morphologies. A network structure of nanowires ∼6 nm in diameter formed w...
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