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Electric Field Induced De-channeling in LiNbO3

Published online by Cambridge University Press:  22 February 2011

R. L. Zimmerman ,
D. Ila ,
N. Kukhtarev  and
E. K. Williams
R. L. Zimmerman
Affiliation:
Center for Irradiation of Materials Alabama A&M University, Normal, AL 35762-1447
D. Ila
Affiliation:
Center for Irradiation of Materials Alabama A&M University, Normal, AL 35762-1447
N. Kukhtarev
Affiliation:
Center for Irradiation of Materials Alabama A&M University, Normal, AL 35762-1447
E. K. Williams
Affiliation:
Center for Irradiation of Materials Alabama A&M University, Normal, AL 35762-1447
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Abstract

An electric field has been imposed on single crystals of pure and doped LiNbO3 during bombardment with 1.03 MeV protons and 2.1 MeV alpha particles. Simultaneous (p,p), (p,α) and (p,p'γ) channeling between the crystal planes showed that the channeling is less pronounced when an electric field of 106 volts/m is imposed perpendicular to the incident ion beam direction and to the channeling planes in the crystal. The results obtained are discussed and compared to the effects due to the fringe field outside the crystal, differential cation-anion movement, movement of interplanar impurities, the piezoelectric strain and movement or creation of crystal defects on ion channeling.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 316: Symposium A – Materials Synthesis and Processing Using Ion Beams , 1993 , 667
Copyright
Copyright © Materials Research Society 1994

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References

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