An experiment is described in which monodisperse dust grains are levitated within a dc sheath above a conducting plate in argon plasma. For plate bias voltages that are not too negative (⩾−10 electron temperatures), the observed dust levitation heights are near to values calculated from a model combining equations for the sheath with those for grain charging. When the plate is more negatively biased, the theoretical levitation heights are higher than the observed heights as a consequence of the measured sheath thickness being smaller than values obtained from the models.
REFERENCES
1.
For recent reviews of dusty plasma physics, see
P. K.
Shukla
, Phys. Plasmas
8
, 1791
(2001
);D. A.
Mendis
and M.
Rosenberg
, Annu. Rev. Astron. Astrophys.
32
, 419
(1994
).2.
H.
Thomas
, G. E.
Morfill
, V.
Demmel
, and J.
Goree
, Phys. Rev. Lett.
73
, 652
(1994
).3.
A.
Melzer
, T.
Trottenberg
, and A.
Piel
, Phys. Lett. A
191
, 301
(1994
).4.
5.
6.
V.
Nosenko
, J.
Goree
, and Z. W.
Ma
, Phys. Rev. Lett.
88
, 135001
(2002
).7.
8.
D. Bohm, in The Characteristics of Electrical Discharges in Magnetic Fields, edited by A. Guthrie and R. Wakerling (McGraw-Hill, New York, 1949), Chap. 3.
9.
M. A. Lieberman and A. J. Lichtenberg, Principles of Plasma Discharges and Materials Processing (Wiley, New York, 1994), Chap. 6.
10.
11.
12.
13.
G. A.
Emmert
, R. M.
Wieland
, A. T.
Mense
, and J. N.
Davidson
, Phys. Fluids
23
, 803
(1980
).14.
15.
R. J.
Procassini
, C. K.
Birdsall
, and E. C.
Morse
, Phys. Fluids B
2
, 3191
(1990
).16.
17.
V. A.
Godyak
and N.
Sternberg
, IEEE Trans. Plasma Sci.
18
, 159
(1990
).18.
19.
20.
21.
22.
23.
R.
Hegerberg
, M. T.
Elford
, and H. R.
Skullerud
, J. Phys. B
15
, 797
(1982
).24.
25.
C.
Arnas
, M.
Mikikian
, G.
Bachet
, and F.
Doveil
, Phys. Plasmas
7
, 4418
(2000
).26.
D.
Diebold
, N.
Hershkowitz
, A. D.
Bailey
III, M. H.
Cho
, and T.
Intrator
, Rev. Sci. Instrum.
59
, 270
(1988
).27.
L.
Oksuz
and N.
Hershkowitz
, Phys. Rev. Lett.
89
, 145001
(2002
).28.
29.
S.
Meassick
, M. H.
Cho
, and N.
Hershkowitz
, IEEE Trans. Plasma Sci.
PS-13
, 115
(1985
).30.
31.
J. A.
Meyer
, G.-H.
Kim
, M. J.
Goeckner
, and N.
Hershkowitz
, Plasma Sources Sci. Technol.
1
, 147
(1992
).32.
J. R.
Smith
, N.
Hershkowitz
, and P.
Coakley
, Rev. Sci. Instrum.
50
, 210
(1979
).33.
A. A.
Sickafoose
, J. E.
Colwell
, M.
Horányi
, and S.
Robertson
, J. Geophys. Res.
107
(A11
), 1408
(2002
).
This content is only available via PDF.
© 2003 American Institute of Physics.
2003
American Institute of Physics
You do not currently have access to this content.
