Abstract
Sputtering of the solid rare gas Ar by 0.8-3.0 keV electrons was studied experimentally and theoretically. The argon films were deposited on a quartz-crystal microbalance kept at liquid-helium temperature. The yield was determined from the mass loss during irradiation. The absolute yield shows a significant dependence on film thickness in accordance with earlier measurements on electronic sputtering of solid argon. The yield shows a maximum of about 3.0±0.4 Ar/elec. at 1.5 keV. The thickness dependence reflects the mobility of electronic excitations created by the primary electrons. The data analysis is based on a theoretical treatment for the diffusive motion of these excitations. From the thickness as well as the energy dependence of the yield we may derive a characteristic diffusion length for the excitations of 200–300 Å.PACS: 61.80 Fe, 66.30 Lw, 79.20 Kz
Similar content being viewed by others
References
P. Børgesen, J. Schou, H. Sørensen, C. Claussen: Appl. Phys. A.29, 57–61 (1982)
O. Ellegaard, J. Schou, H. Sorensen: Nucl. Instr. Meth. B13, 567–571 (1986)
J. Schou, P. Børgesen, O. Ellegaard, H. Sørensen, C. Claussen: Phys. Rev. B34, 93–106 (1986)
F. Besenbacher, J. Bøttiger, O. Graversen, J.L. Hansen, H. Sørensen, Nucl. Instr. Meth.191, 221–234 (1981)
C.T. Reimann, R.E. Johnson, W.L. Brown: Phys. Rev. Lett,53, 600–603 (1984)
W.L. Brown, C.T. Reimann, R.E. Johnson: Nucl. Instr. Meth. B19–20, 9–15 (1987) C.T. Reimann, W.L. Brown, R.E. Johnson: Phys. Rev. B.37, 1455–1473 (1988)
J. Schou, O. Ellegaard, H. Sørensen, R. Pedrys: Nucl. Instr. Meth. B (in press)
D.J. O'Shaughnessey, J.W. Boring, J.A. Phipps, R.E. Johnson, W.L. Brown: Nucl. Instr. Meth. B13, 304–308 (1986)
J.W. Boring, D.J. O'Shaughnessy, J.A. Phipps: Nucl. Instr. Meth. B18, 613–617 (1987)
J. Schou, R. Pedrys, O. Ellegaard, H. Sørensen, Nucl. Instr. Meth. B18, 609–612 (1987)
R.W. Ollerhead, J. Bøttiger, J.A. Davies, J. L'Ecuyer, H.K. Haugen, N. Matsunami: Radiat. Eff.49, 203–212 (1980)
D.V. Stevanovic, D.A. Thompson, J.A. Davies: Nucl. Instr. Meth. B1, 315–320 (1984)
J. Schou: Nucl. Instr. Meth. B27, 188–200 (1987)
W.L. Brown, R.E. Johnson: Nucl. Instr. Meth. B13, 295–303 (1986)
D.E. David, T.F. Magnera, R. Tian, D. Stulik, J. Michl: Nucl. Instr. Meth. B14, 378–391 (1986)
R. Pedrys, D.J. Oostra, A.E. de Vries: InDesorption Induced by Electronic Transitions, DIET 2, ed. by W. Brenig, D. Menzel (Springer, Berlin, Heidelberg 1985) pp. 190–198
R. Pedrys, D.J. Oostra, Å. Haring, A.E. de Vries, J. Schou: Nucl. Instr. Meth. B (in press)
R.L. Fleischer, P.B. Price, R.M. Walker: J. Appl. Phys.36, 3645–3652 (1965)
D. Menzel, R. Gomer: J. Chem. Phys.41, 3311–3328 (1964)
Rare Gas Solids, Vols. 1 and 2, ed. by M.L. Klein, J.A. Venables (Academic, London 1977)
N. Schwentner, E.E. Koch, J. Jortner:Electronic Excitations in Condensed Rare Gases, Springer Tracts Mod. Phys.107 (Springer, Berlin, Heidelberg 1985)
G. Zimmerer:In Excited State Spectroscopy in Solids, ed. by M. Manfredi (XCVI Corso, Soc. Italiana di Fisica, Bologna 1987) pp. 37–110
R.E. Johnson, W.L. Brown: Nucl. Instr. Meth.198, 103–118 (1982)
R.E. Johnson, M. Inokuti: Nucl. Instr. Meth.206, 289–297 (1983)
F. Coletti, J.M. Debever: Solid State Commun.47, 47–50 (1983)
F. Coletti, J.M. Debever, G. Zimmerer: J. de Phys. Lett.45, L–467–473 (1984)
W.L. Brown, C.T. Reimann, R.E. Johnson:Desorption Induced by Electronic Transitions DIET 2, ed. by W. Brenig, D. Menzel (Springer, Berlin, Heidelberg 1985) pp. 199–206
F. Coletti, J.M. Debever, G. Zimmerer: J. Chem. Phys.83, 49–57 (1985)
O. Ellegaard: Ph. D. Thesis, Risø-M-2617, Risø National Laboratory, Roskilde, Denmark, pp. 1–175 (1986)
J. Schou, H. Sørensen, P. Børgesen: Nucl. Instr. Meth.B 5, 44–57 (1984)
O. Ellegaard, J. Schou, H. Sorensen, P. Børgesen: Surf. Sci.167, 474–492 (1986)
Average energy to produce an ion pair. ICRU Report 31. International commission on radiation units and measurements
P. Sigmund: Phys. Rev.184, 383–416 (1969);187, 768 (1969)
B.J. Garrison, R.E. Johnson: Surf. Sci.148, 388–400 (1984)
M.J. Berger, S.M. Seltzer, K. Maeda: J. Atm. Terr. Phys.32, 1015–1045 (1970)
T.E. Everhart, P.H. Hoff: J. Appl. Phys.42, 5837–5846 (1971)
S. Valkealahti, R.M. Nieminen: Appl. Phys. A32, 95–106 (1983)
Z. Ophir, B. Raz, J. Jortner, V. Saile, N. Schwentner, E.E. Koch, M. Skibowski, W. Steinmann: J. Chem. Phys.62, 650–665 (1975)
D. Pudewill, F.J. Himpsel, V. Saile, N. Schwentner, M. Skibowski, E.-E. Koch, J. Jortner: J. Chem. Phys.65, 5226–5238 (1976)
H.S. Carslaw, J.C. Jaeger:Conduction of Heat in Solids (Clarendon, Oxford 1959)
P.G. Le Comber, R.J. Loveland, W.E. Spear: Phys. Rev.11, 3124–3130 (1975)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Ellegaard, O., Pedrys, R., Schou, J. et al. Sputtering of solid argon by keV electrons. Appl. Phys. A 46, 305–312 (1988). https://doi.org/10.1007/BF01210351
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF01210351