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Boron isotope distribution in laser deposited thin films of B₄C

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Title Boron isotope distribution in laser deposited thin films of B₄C
 
Creator Manoravi, P
Joseph, M
Balamurugan, A K
Rajagopalan, S
Ramamurthy, P
 
Subject B₄C thin film
Pulsed laser deposition
Isotope enrichment
 
Description 131-134
Isotope enrichment in laser-ablated plume is an interesting phenomenon. In this work, we have compared the boron isotope distribution present in thin films of B₄C that are formed by pulsed laser deposition using nanosecond (ns) and picosecond (ps) pulse Nd-YAG lasers. With the ns laser beam, in the plume we could observe an isotope ratio of ¹⁰B/¹¹B as high as 0.9, but in the film we could hardly see any enrichment. With ps pulsed laser, the maximum value obtained for the ¹⁰B/¹¹B ratio is about 0.29 in the film.
 
Date 2008-10-24T09:48:55Z
2008-10-24T09:48:55Z
2007-02
 
Type Article
 
Identifier 0019-5596
http://hdl.handle.net/123456789/2296
 
Language en_US
 
Relation G01N13/00
 
Publisher CSIR
 
Source IJPAP Vol.45(2) [February 2007]