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A review is given of the theory of charging of a dust particle according to the Orbital Motion Limited (OML) theory. This is followed by a summary of a more complete orbital theory that includes the concept of an absorption radius, or effective potential barrier, for the positive ions. Measurements of the charge acquired by a dust particle are then described, using the method of damped dust oscillations employed at Oxford.
Czasopismo
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Tom
Strony
241--255
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Bibliogr. 20 poz., rys., wykr.
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autor
Bibliografia
- 1. H. Mott-Smith, I. Langmuir, The theory of collectors in gaseous discharges, Phys. Rev., 28, 727, 1926.
- 2. J.E. Allen, Probe theory - the orbital motion approach, Physica Scripta, 45, 497-503, 1992.
- 3. J.E. Allen, B.M. Annaratone, U. de Angelis, On the orbital motion limited theory for a small body at floating potential in a Maxwellian Plasma, J. Plasma Physics, 63, 299, 2000.
- 4. R. Kennedy, On the floating potential of spherical probes and dust grains, 1999, Proc. XXIV Int. Conf. on Phenomena in Ionized Gases, III, 1997.
- 5. R. Kennedy, J.E. Allen, On the floating potential of spherical probes and dust grains, Part I. Radial motion theory, J. Plasma Phys., 67, 243, 2002.
- 6. R. Kennedy, Potential distribution around a dust particle in plasma, XV-th ESCAMPIG, Euro-physics Conference Abstracts, 24F, 478, 2000.
- 7. R. Kennedy, J.E. Allen, On the floating potential of spherical probes and dust grains, Part II. Orbital motion theory, submitted to J. Plasma Phys., 2002.
- 8. E.B. Tomme, B.M. Annaratone, J.E. Allen, Damped dust oscillations as a plasma sheath diagnostic, Plasma Sources Science and Technology, 9, 87, 2000.
- 9. A. Melzer, T. Trottenberg, A. Piel, Experimental determination of the charge on dust particles forming Coulomb lattices, Phys. Lett. A, 191, 301, 1994.
- 10. T. Trottenberg,A. Melzer, A. Piel, Measurement of the electric charge on particulates forming Coulomb crystals in the sheath of a radiofrequency plasma, Plasma Sources: Sci. Technol., 4, 450, 1995.
- 11. U. Kortshagen, G. Mümken, The electrical charge of micron-sized dust particles in a capacitiuely coupled RF plasma, Phys. Lett. A, 217, 126, 1996.
- 12. D.A. Law, W.H. Steel, B.M. Annaratone, J.E. Allen, Probe-induced particie circulation in a plasma crystal, Phys. Rev. Lett, 80, 4189, 1998.
- 13. A. Homann, A. Melzer, A. Piel, Measuring the charge on single dust particles by laser-excited resonance, Phys. Rev. E, 59, R3835, 1999.
- 14. B.M. Annaratone, Crystal and fluid-like assemblies in plasma sheaths, J. Physique IV, 7, C4- 155, France, 1997.
- 15. U. Konopka, L. Ratke, H.M. Thomas, Central collisions of charged dust particles in a plasma, Phys. Rev. Lett., 79, 1269, 1997.
- 16. J.L. Blank, Collision-dominated positive column of a weakly ionized gas, Phys. Fluids, 11, 1686, 1968.
- 17. J.E. Allen, R.L.F. Boyd, P. Reynolds, The collection of positive ions by a probe immersed in a plasma, Proc. Phys. Soc. B70, 297, 1957.
- 18. E.B. Tomme, D.A. Law, B.M. Annaratone, J.E. Allen, Parabolic sheath potentials and their implications for the charge on levitated dust particles, Phys. Rev. Lett., 85, 2518, 2000.
- 19. T. Nitter, Levitation of dust in rf and dc glow discharges, Plasma Sources Sci. Techn., 5, 93, 1996.
- 20. International Microgravity Plasma Facility IMPF, http://www.microgravity.net
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BAT5-0001-0099