Hypervelocity Impacts and Dusty Plasma Lab (HIDPL)
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Browsing Hypervelocity Impacts and Dusty Plasma Lab (HIDPL) by Author "Carmona Reyes, Jorge"
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Item Simple experiment on the sputtering rate of solids in gas discharges(Physics of Plasmas, 2017-06) Hartmann, Peter; Carmona-Reyes, Jorge; Korolov, I.; Matthews, Lorin S.; Hyde, Truell W.We present a very simple and sensitive method to measure the sputtering rate of solid materials in stationary low-pressure gas discharges. The method is based on the balance of the centrifugal force and the confinement electric force acting on a single electrically charged dust particle in a rotating environment. We demonstrate the use and sensitivity of this method in a capacitively coupled radio frequency argon discharge. We were able to detect a reduction of 10 nm in the diameter of a single dust particle.