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Arf Laser Ablation of Yba2Cu3O7‐X as Studied by Emission Spectroscopy, Sem and Edax

Published online by Cambridge University Press:  28 February 2011

Alon Hoffman  and
Rafael R. Manory
Alon Hoffman
Affiliation:
Dcpt. of Applied Physics, Royal Melbourne Institute of Technology, Melbourne, Australia.
Rafael R. Manory
Affiliation:
Metallurgical Engineering Group, Royal Melbourne Institute of Technology, G.P.O.Box 2476V, Melbourne VIC 3001, Australia.
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Abstract

The fluorescence emission spectra from the plasma plume induced by ArF excimer laser irradiation of YBa2Cu3O7‐x was studied and compared to the spectra of Y, YO, Cu, CuO, and YCuO under similar conditions. The only compound detected in the Y‐Ba‐Cu‐O ablated material spectra was YO. Spatially resolved measurements from the plasma plume emanating from the irradiated superconducting material were performed also as a function of distance from the surface.

The effect of laser ablation on the morphology and composition of the irradiated YBa2Cu3O7‐x material was studied by SEM and EDAX. It was found that the 1‐2‐3 composition ratio of the near surface region was maintained after ablation. Changes in the morphology were observed in the track region and three distinctive regions could be identified as a function of distance from the beam center.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 497
Copyright
Copyright © Materials Research Society 1990

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