نتایج جستجو برای: nanocrystallites oxide
تعداد نتایج: 176640 فیلتر نتایج به سال:
Abstract SiO 2 x:ZnO: (1-x)TiO nanocrystallites were made via sol-gel route, and co-firing at a lower temperature (600 o C). The synthesized characterized using several analytical techniques including XRD, SEM/TEM, FT IR, THz, UV–visible spectroscopy analysis. results appear that the silicate phase was used to promote density of nanocrystalline ceramic during calcination. calcined (∼600 C) cons...
111-oriented p-type Si wafer with a resistivity of 1-5 Omega cm was implanted with Fe+ and then annealed at 1100 degrees C in N2 for 60 min, followed by anodization in a solution of HF to form porous structure with beta-FeSi2 nanocrystallites. Photoluminescence (PL) spectral measurements show that a strong PL peak appears in the range of 610-670 nm. The position of the PL peak remains unchanged...
The crystal structure and chemical bonding of magnetron-sputtering deposited nickel carbide Ni₁-xCx (0.05 ⩽ x⩽0.62) thin films have been investigated by high-resolution x-ray diffraction, transmission electron microscopy, x-ray photoelectron spectroscopy, Raman spectroscopy, and soft x-ray absorption spectroscopy. By using x-ray as well as electron diffraction, we found carbon-containing hcp-Ni...
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