Emissivity of Laser-Activated Pd–Ba Alloy

Comparative analysis of the influence of temperature and laser activation on the secondary electron emission coefficient and work function ( e φ) in Pd–Ba alloy (1.5 at % Ba) has been conducted. The optimum density of laser radiation has been shown to roughly equal 2 J/cm 2 . Reasons why the emissio...

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Bibliographic Details
Published in:Technical physics 2019-10, Vol.64 (10), p.1541-1543
Main Authors: Donaev, S. B., Umirzakov, B. E., Mustafaeva, N. M.
Format: Article
Language:English
Subjects:
BARIUM ADDITIONS
Classical and Continuum Physics
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DENSITY
EFFICIENCY
ELECTRON EMISSION
EMISSIVITY
HEATING
LASER RADIATION
Lasers
PALLADIUM ALLOYS
Palladium base alloys
Physical Electronics
Physics
Physics and Astronomy
TEMPERATURE DEPENDENCE
WORK FUNCTIONS
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Summary:Comparative analysis of the influence of temperature and laser activation on the secondary electron emission coefficient and work function ( e φ) in Pd–Ba alloy (1.5 at % Ba) has been conducted. The optimum density of laser radiation has been shown to roughly equal 2 J/cm 2 . Reasons why the emission efficiency of Pd–Ba alloy decreases after long-term heating have been found.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784219100074