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Development of a high-power LC circuit for generating arc plasma and diagnostic via optical emission spectroscopy
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This study presents the development of a high-power LC circuit for generating arc plasma in a vacuum, utilizing argon as the working gas. Arc plasma is generated by applying 900 W of high power to two pin plate electrodes, resulting in powerful electric fields that excite and ionize argon particles. The system's I-V characteristics were investigated. Optical emission spectroscopy is a technique for diagnosing plasma formation that calculates electron temperature and density for various powers at varying pressures. This design allowed for a high deposition rate within an exceptionally short time, up to 25 s. Thin films of 229, 346, 468, and 592 nm thicknesses are deposited on glass at 100, 300, 600, and 900 W deposition powers. This design's key characteristic is used in the production of electrodes that are deposited on the glass. The electrical resistivity of films has been studied as a function of film thickness. The 4-point probe technique was used to assess those parameters. For the ranges investigated, the film's resistivity decreases linearly with its thickness.

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Publication Date
Tue Jan 18 2022
Journal Name
Materials Science Forum
The Effect of Gamma Radiation on the Manufactured HgBa<sub>2</sub>Ca<sub>2</sub>Cu<sub>2.4</sub>Ag<sub>0.6</sub>O<sub>8+δ</sub> Compound
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In this article four samples of HgBa2Ca2Cu2.4Ag0.6O8+δ were prepared and irradiated with different doses of gamma radiation 6, 8 and 10 Mrad. The effects of gamma irradiation on structure of HgBa2Ca2Cu2.4Ag0.6O8+δ samples were characterized using X-ray diffraction. It was concluded that there effect on structure by gamma irradiation. Scherrer, crystallization, and Williamson equations were applied based on the X-ray diffraction diagram and for all gamma doses, to calculate crystal size, strain, and degree of crystallinity. I

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