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Pulsed Laser Treatment of Virgin, Self and Europium Implanted Nickel: Evidence of Defect Impurity Interaction

Published online by Cambridge University Press:  15 February 2011

G. Battaglin ,
A. Carnera ,
G. Della Mea ,
P. Mazzoldi ,
Animesh K. Jain ,
V.N. Kulkarni  and
D.K. Sood
G. Battaglin
Affiliation:
Unità& GNSM-CNR, Istituto di Fisica, Università di Padova, Italy
A. Carnera
Affiliation:
Unità& GNSM-CNR, Istituto di Fisica, Università di Padova, Italy
G. Della Mea
Affiliation:
Unità& GNSM-CNR, Istituto di Fisica, Università di Padova, Italy
Animesh K. Jain
Affiliation:
Nuclear Physics Division, Bhabha Atomic Research Centre, Bombay–400 085, India
V.N. Kulkarni
Affiliation:
Nuclear Physics Division, Bhabha Atomic Research Centre, Bombay–400 085, India
D.K. Sood
Affiliation:
Nuclear Physics Division, Bhabha Atomic Research Centre, Bombay–400 085, India
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Abstract

We present a comparative study (by 1.8 MeV 4He+ ion channeling) of virgin, self and Eu implanted single crystals of nickel, under irradiation with single ruby laser pulses. The as implanted Eu is nearly non-substitutional and remains so, even after laser treatment. The comparative defect dechanneling behaviour provides explicit evidence of defect-impurity interaction which may be suppressing the formation of an expected metastable solid solution in the Eu-Ni system, which possesses miscibility in the liquid phase. A clear surface Eu peak appears at 2.1 J/cm2.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 7 , 1981 , 333
Copyright
Copyright © Materials Research Society 1982

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References

REFERENCES

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