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Effects of Pulsed Electron Beam Irradiation on Al Single Crystal With Pb Overlayers

Published online by Cambridge University Press:  22 February 2011

G. Battaglin ,
A. Carnera ,
L.F. Dona ,
Dalle Rose ,
V.N. Kulkarni ,
P. Mazzoldi ,
E. D'Anna ,
G. Leggieri  and
A. Luches
G. Battaglin
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
A. Carnera
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
L.F. Dona
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
Dalle Rose
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
V.N. Kulkarni
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
P. Mazzoldi
Affiliation:
Unità GNSM-CNR, Dipartimento di Fisica dell'Università, Via Mar zolo 8, 35131 Padova, Italy;
E. D'Anna
Affiliation:
Dipartimento di Fisica dell'Università, Via Arnesano, 73100 Lecce, Italy.
G. Leggieri
Affiliation:
Dipartimento di Fisica dell'Università, Via Arnesano, 73100 Lecce, Italy.
A. Luches
Affiliation:
Dipartimento di Fisica dell'Università, Via Arnesano, 73100 Lecce, Italy.
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Abstract

The effects of pulsed electron beam irradiation (pulse width 50 ns FWHM, electron eneries from 15 to 30 keV and current density in the range of 100 to 2300 A/cm2 ) on Al-Pb systemsprepared by vacuum evaporation of Pb layers from 500 Å to 2000 Å in thickness over Al single crystals have been investigated by Rutherford backscattering (RBS) and scanning electron microscopy.

The main effects consist in a Pb loss which shows definite features as a function of the incident beam current density and in a mixing of Pb into Al which is unambiguously detected by a selective chemical etching of Pb still unreacted after irradiation.

These experimental results are discussed on the basis of some heat flow model calculations which use Monte-Carlo data for the electron depth dose function.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 23 , 1983 , 769
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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