Y sub 1 Ba sub 2 Cu sub 3 O sub 7-x laser-ablation plume dynamics measurement by nanosecond response ion probe: Comparison with optical measurements
Conference
·
OSTI ID:7005079
A family of fast time response ion probes has been developed to study the laser-ablation plume dynamics under Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7-x} film-growth conditions. These probes are useful over a wide range of pressures, distances, laser energies, and energy densities. The ion probe measurements are complemented and corroborated by measurements using spatially and temporally resolved optical emission and absorption spectroscopy. The results confirm a long lived ionized component to the plume and a marked slowing of the plasma front at film deposition pressures and distances. Both the ion probe and spectroscopic techniques show promise as sensitive process monitors for film deposition by laser ablation. 23 refs., 10 figs.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 7005079
- Report Number(s):
- CONF-8910197-3; ON: DE90007658
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
440600* -- Optical Instrumentation-- (1990-)
47 OTHER INSTRUMENTATION
ABLATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DYNAMICS
ENERGY LEVELS
EXCIMER LASERS
FILMS
GAS LASERS
GROUND STATES
ION PROBES
KRYPTON FLUORIDE LASERS
LASERS
MECHANICS
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLUMES
PROBES
SUPERCONDUCTING FILMS
TIME DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360601 -- Other Materials-- Preparation & Manufacture
440600* -- Optical Instrumentation-- (1990-)
47 OTHER INSTRUMENTATION
ABLATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DYNAMICS
ENERGY LEVELS
EXCIMER LASERS
FILMS
GAS LASERS
GROUND STATES
ION PROBES
KRYPTON FLUORIDE LASERS
LASERS
MECHANICS
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLUMES
PROBES
SUPERCONDUCTING FILMS
TIME DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES