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Please use this identifier to cite or link to this item: http://purl.org/purl/2384

Title: Temporal and Spatial Behavior of Electron Density and Temperature in a Laser-Produced Plasma from YBa2Cu3O7
Authors: Harilal, S S
Bindhu, C V
Nampoori, V P N
Vallabhan, C P G
Technology
Keywords: Laser -plasma spectroscopy
Plasma diagnostics
Emission spectroscopy
YBa2Cu3O7
Issue Date: 1998
Publisher: Applied Spectroscopy
Abstract: Spectroscopic studies of laser -induced plasma from a high-temperature superconducting material, viz., YBa2Cu3O7 (YBCO), have been carried out. Electron temperature and electron density measurements were made from spectral data. The Stark broad ening of emission lines was used to determine the electron density, and the ratio of line in tensities was exploited for the determination of electron temperature. An initial electron temperature of 2.35 eV and electron density of 2.5 3 1017 cm2 3 were observed. The dependence on electron temperature and density on different experimental parameters such as distance from the target, delay time after the in itiation of the plasm a, and laser irradiance is also discussed in detail. Index Headings: Laser -plasma spectroscopy; Plasma diagnostics; Emission spectroscop y; YBa2Cu3O7.
URI: http://dyuthi.cusat.ac.in/purl/2384
Appears in Collections:Dr.C P Girijavallabhan

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