Influence of pulse width and target density on pulsed laser deposition of thin YBaCuO film.

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We have studied the effects of temporal pulse width and target density on the deposition of thin films of YBaCuO. A 248nm excimer laser and an 825nm Ti-sapphire laser were used to conduct the experiments with pulse widths of 27 ns, 16 ns, and 150 fs, and target densities of 80% and 90%. Scanning electron microscope photomicrographs and profilometer traces show a striking difference between nanosecond and femtosecond laser irradiation. Shortening the pulse width reduced particulate formation, provided stoichiometry, and improved the film properties. Decreasing the target density raised the ablation rate, produced thicker but nonuniform films, and reduced particulate ... continued below

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13 p.

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Vikram, S. January 20, 1999.

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We have studied the effects of temporal pulse width and target density on the deposition of thin films of YBaCuO. A 248nm excimer laser and an 825nm Ti-sapphire laser were used to conduct the experiments with pulse widths of 27 ns, 16 ns, and 150 fs, and target densities of 80% and 90%. Scanning electron microscope photomicrographs and profilometer traces show a striking difference between nanosecond and femtosecond laser irradiation. Shortening the pulse width reduced particulate formation, provided stoichiometry, and improved the film properties. Decreasing the target density raised the ablation rate, produced thicker but nonuniform films, and reduced particulate formation.

Physical Description

13 p.

Notes

INIS; OSTI as DE00011220

Medium: P; Size: 13 pages

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  • 17th International Congress on Applications of Lasers and Electro-Optics, Orlando, FL (US), 11/16/1998--11/19/1998

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  • Report No.: ANL/ET/CP-98198
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11220
  • Archival Resource Key: ark:/67531/metadc623364

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  • January 20, 1999

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  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 1:14 p.m.

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Vikram, S. Influence of pulse width and target density on pulsed laser deposition of thin YBaCuO film., article, January 20, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc623364/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.