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Monodispersed spheres of Si-Cu core-shell nanocomposite with silica as core and copper as shell were successfully synthesized by a modified two-step synthesis method. Spherical particles of silica core were first synthesized using a modified Stöber method using nonsurfactant template. The obtained monodispersed silica spheres were successfully coated with copper through a modified sol-gel method employing...
Titanium dioxide had been noticed thoroughly for their superiorities over conventional p-n junction devices, such as low cost and slighter toxic in construction. In this research, we present and study the preparation of Carbon Nanotube/TiO2 acid treatment nanocomposite by the alteration of acid-catalyzed sol-gel method. The CNT/TiO2 nanocomposite powder was acid treatment in NaOH solution and directed...
Samples of La0.67Sr0.33Mn1−xTixO3 with concentration of x = 0.00, 0.20, 0.40 and 0.60 were prepared using the sol gel method, deposited on quartz and ITO substrate by using a spin coater. The samples were calcined at 500°C for an hour. From the Scanning Electron Microscope (SEM) micrograph, it showed that the particles size increased as the concentration of doping was increased. Each sample showed...
This study were focused on nanocrystalline structure and morphology on zinc sulphide thin film in four different temperature which are at 250 °C, 300 °C, 350 °C and 400 °C. Sol-gel technique is used to produce the thin films on quartz slide. The reaction of chemical obtained was a colloidal and transparent solution. There are EDX, SEM and XRD experiment were used to characterize the sample in each...
Wire bonding of 20 micron 2N wire using conventional pink capillary for ultra Fine Pitch package results in high stoppages of short tail which causes machine to stop, higher yield loss and reduced equipment efficiency and stability. The objective of present study is to improve the 2nd bond quality and stability for reducing the stoppages caused by the short tail. The new design, called as Fortus capillaries...
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