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This paper reports on experiments aiming at an efficient technique for contact charging of conductive microparticles. Fine electrode structures generate high electric field strengths which charge the particles in contact with the high voltage electrode. Highly charged microparticles are a prerequisite for electrostatic microparticle acceleration in laboratory experiments and advanced concepts in space...
The behavior of a single powder particle with a diameter of 250 ??m in a radio frequency plasma under pulsed argon ion beam bombardment was investigated. The motion of the powder particle under the action of the ion beam was investigated and Fourier-analyzed. The experimental results are in fair agreement with the theoretical considerations.
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