Intense x-ray emission from Pd and Ti cathodes in deuterium glow discharge

George H. Miley; Andrei G. Lipson; A. B. Karabut

doi:10.1117/12.504400

19 December 2003 Intense x-ray emission from Pd and Ti cathodes in deuterium glow discharge

George H. Miley, Andrei G. Lipson, A. B. Karabut

Proceedings Volume 5197, Soft X-Ray Lasers and Applications V; (2003) https://doi.org/10.1117/12.504400
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Intense directional X-ray emission was observed from metal targets (Pd and Ti), which served as the cathodes in a pulsed high current (100-400 mA) and low voltage (1.0 - 2.0 keV) deuterium/hydrogen glow charge. X-ray measurements showed an intense (I_x = 10¹³-10¹⁴ s^-1-cm^-2) soft X-ray emission (with a mean energy of quantum E_x = 1.2-1.5 keV) directly from the Pd or Ti cathode. The X-ray yield is strongly dependent on a deuterium diffusivity in the surface layer of the cathode. The X-ray emission can be associated with enhanced electron screening effects at metal surfaces and interfaces and a coherent oscillation of this screening layer.

Citation Download Citation

George H. Miley, Andrei G. Lipson, and A. B. Karabut "Intense x-ray emission from Pd and Ti cathodes in deuterium glow discharge", Proc. SPIE 5197, Soft X-Ray Lasers and Applications V, (19 December 2003); https://doi.org/10.1117/12.504400

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