Abstract
The effect of implantation of Ba+ and Nb+ ions on the composition and emission properties of Мо (111) single crystals is investigated. It is shown that implantation of Ba+ ions leads to the complete purification of the Мо surface from С and О atoms, rapid decrease in the work function, and intensification of the secondary and photoelectron emission coefficients, while implantation of Nb+ ions leads to rapid (up to 30 at %) growth of the surface concentration of С. It is established that, after heating at Т = 1400 K, the surface is completely purified from carbon and Nb + Мо nanocrystalline phases are formed.
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