Time-resolved optical emission during laser ablation of Cu, CuO, and high- T sub c superconductors: Bi sub 1. 7 Sr sub 1. 3 Ca sub 2 Cu sub 3 O sub x and Y sub 1 Ba sub 1. 7 Cu sub 2. 7 O sub y

Journal Article · Wed Nov 01 00:00:00 EST 1989 · Journal of Applied Physics; (USA)

DOI:https://doi.org/10.1063/1.343939· OSTI ID:5263998

Saenger, K L ^[1]

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1. IBM Research Division, T. J. Watson Research Center, Yorktown Heights, New York 10598 (US)

Time-resolved measurements of optical emission from the ablation plume of ArF excimer-laser-irradiated Cu, CuO, Bi{sub 1.7}Sr{sub 1.3}Ca{sub 2}Cu{sub 3}O{sub {ital x}}, and Y{sub 1}Ba{sub 1.7}Cu{sub 2.7}O{sub {ital y}} are reported. Data were collected on several emission lines for a variety of neutral and ionic species, including Cu{sup +}, Cu, Sr{sup +}, Sr, Ca{sup +}, Ca, and Y. The time dependence of the emission intensity is analyzed to obtain effective particle velocities. The results indicate most probable velocities of (3--10){times}10{sup 5} cm/s for the neutral species and (1--2){times}10{sup 6} cm/s for the ions, in qualitative agreement with previous work. However, the time dependence of the optical emission intensity can be influenced by radiation trapping and the detailed mechanisms of species excitation. These effects are shown to complicate the quantitative relationship between the emission intensity versus time and the particle velocity.

• OSTI ID: 5263998
• Journal Information: Journal of Applied Physics; (USA), Vol. 66:9; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
ABLATION
BISMUTH OXIDES
CALCIUM OXIDES
COPPER
COPPER OXIDES
STRONTIUM OXIDES
YTTRIUM OXIDES
EMISSION
LASER RADIATION
OPTICAL PROPERTIES
TIME RESOLUTION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BISMUTH COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
ELECTROMAGNETIC RADIATION
ELEMENTS
METALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
RESOLUTION
STRONTIUM COMPOUNDS
TIMING PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YTTRIUM COMPOUNDS
360205* - Ceramics
Cermets
& Refractories- Corrosion & Erosion