Absolute measurement of the total ion-drag force on a single plasma-confined microparticle at the void edge under microgravity conditions

J. Beckers, D.J.M. Trienekens, G.M.W. Kroesen

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Samenvatting

We present an absolute measurement of the total ion-drag force on one single microparticle at the edge of the dust free region in low pressure complex plasmas: the void. In order to do so, the particle confinement position was monitored as a function of the gas pressure for two particle sizes under normal gravity conditions and under microgravity conditions during parabolic flights. At the border of the void, the ion-drag force on a particle with a radius of 4.90 µm appeared to be (3.6±0.3)×10 -12 N.
Originele taal-2Engels
Pagina's (van-tot)055101-1/4
Aantal pagina's3
TijdschriftPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume88
Nummer van het tijdschrift5
DOI's
StatusGepubliceerd - 2013

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