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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2577

Title: Measurement of laser ablation threshold on doped BiSrCaCuO high temperature superconductors by the pulsed photothermal deflection technique
Authors: Rajasree, K
Vidyalal, V
Radhakrishnan, P
Nampoori, V P N
Vallabhan, C P G
Keywords: ablation
laser radiation
power density
Bismuth oxides
Calcium oxides
Strontium oxides
copper oxides
lead oxides
Multi-element compounds
Superconducting films
transition temperature
Issue Date: 1-Aug-1993
Publisher: American Institute of Physics
Abstract: Laser‐induced damage and ablation thresholds of bulk superconducting samples of Bi2(SrCa)xCu3Oy(x=2, 2.2, 2.6, 2.8, 3) and Bi1.6 (Pb)xSr2Ca2Cu3 Oy (x=0, 0.1, 0.2, 0.3, 0.4) for irradiation with a 1.06 μm beam from a Nd‐YAG laser have been determined as a function of x by the pulsed photothermal deflection technique. The threshold values of power density for ablation as well as damage are found to increase with increasing values of x in both systems while in the Pb‐doped system the threshold values decrease above a specific value of x, coinciding with the point at which the Tc also begins to fall.  
URI: http://dyuthi.cusat.ac.in/purl/2577
Appears in Collections:Dr. V P N Nampoori

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