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Please use this identifier to cite or link to this item: http://purl.org/purl/2447

Title: Temporal and spatial evolution of laser ablated plasma from YBa2Cu3O7
Authors: Harilal, S S
Radhakrishnan, P
Nampoori, V P N
Vallabhan, C P G
Technology
Keywords: laser ablated plasma
spatial distribution
Yttrium Ions
Yttrium Oxides
Copper Oxides
Barium Oxides
Quaternary Compounds
Issue Date: Jun-1994
Publisher: American Institute of Physics
Abstract: YBa2Cu307 target was laser ablated, and the time-of-flight (TOF) distributions of Y, Y+., and YO in the resultant plasma were investigated as functions of distance from the target and laser energy density using emission spectroscopy. Up to a short distance from the target (-1.5 cm), TOF distributions show twin peaks for Y and YO, while only single-peak distribution is observed for Y+. At greater distances (>1.5 cm) all of them exhibit single-peak distribution. The twin peaks are assigned to species corresponding to those generated directly/m the vicinity of target surface and to those generated from collisional/recombination process.
URI: http://dyuthi.cusat.ac.in/purl/2447
Appears in Collections:Dr.C P Girijavallabhan

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