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An Ion Probe Study of Plasma-Assisted Laser Deposition

Published online by Cambridge University Press:  01 January 1992

S. Witanachchi ,
K. Ahmed ,
P. Sakthivel  and
P. Mukherjee
S. Witanachchi
Affiliation:
Department of Physics, University of South Florida, Tampa, FL 33620
K. Ahmed
Affiliation:
Department of Physics, University of South Florida, Tampa, FL 33620
P. Sakthivel
Affiliation:
Department of Physics, University of South Florida, Tampa, FL 33620
P. Mukherjee
Affiliation:
Department of Physics, University of South Florida, Tampa, FL 33620
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Abstract

The ionic content of an excimer laser ablated Yga2Cu3O7−δ (YBCO) plume has been investigated by using an ion probe detection system. The time-of-flight ion signals indicate a bifurcation of the plume, where the degree of bifurcation is dependent on both the oxygen pressure and the laser spot size at the target. A significant enhancement in the ionic content is observed when the plume is passed through a high voltage discharging ring. The results describing the effect of the pressure, laser spot size and the discharge parameters on the propagating laser plume are presented in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 285: Symposium I – Laser Ablation in Materials Processing–Fundamentals and Applications , 1992 , 51
Copyright
Copyright © Materials Research Society 1993

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References

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