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Low-energy low-divergence pulsed indium atomic beam by laser ablation

Published online by Cambridge University Press:  06 March 2006

KAMLESH ALTI  and
ALIKA KHARE
KAMLESH ALTI
Affiliation:
Department of Physics, Indian Institute of Technology Guwahati, Guwahati, India
ALIKA KHARE
Affiliation:
Department of Physics, Indian Institute of Technology Guwahati, Guwahati, India
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Abstract

This paper reports the formation of low-energy low-divergence pulsed indium atomic beam via ablation of thin film by illumination from the rear side with second harmonic of Q-switched Nd:YAG laser under high vacuum (∼10−5 Torr). Angular divergence of ablated indium atomic, reflectivity modulation of thin film due to ablation, and longitudinal atomic velocity of ablated beam were studied as a function of laser fluence. Atomic force microscope scans of the deposited multiple shots of pulsed atomic beams show the formation of “nano-hills.”

Keywords

Laser ablationPulsed indium atomic beam
Type
Research Article
Information
Laser and Particle Beams , Volume 24 , Issue 1 , March 2006 , pp. 47 - 53
Copyright
© 2006 Cambridge University Press

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