Isotope effects in an electron beam excited negative ion source

Fukumasa, Osamu; Nishimura, Hideki
March 1996
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1396
Academic Journal
Discusses results of experiments studying the production of D[sup -] ion beams and its isotopic effects. Dependence of negative ion currents on the discharge current; Comparison of negative ion current in deuterium versus hydrogen; Electron energy distribution functions for hydrogen and deuterium plasmas.


Related Articles

  • Photoresonant plasma as an emitter of negative ions. Gorshkov, O. A.; Rizakhanov, R. N. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2466 

    A new method of negative ion beam production is examined. We propose the use of the photoresonant plasma created in a mixture of an electronegative gas and alkaline metal vapor as an emitter of negative ions. It is shown theoretically that practical laser light power can provide the production...

  • Production of a Li[sup -] ion beam from a thermal contact-ionization plasma source. Fukuura, Y.; Murakami, K.; Masuoka, T.; Katsumata, I. // Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1199 

    Examines the production of a negative lithium (Li) ion beam from a thermal contact-ionization plasma source. Components of the plasma source; Intensity of the negative ion current; Ion species analysis using time-of-flight technique.

  • Multiple delivery cesium oven system for negative ion sources. Bansal, G.; Bhartiya, S.; Pandya, K.; Bandyopadhyay, M.; Singh, M. J.; Soni, J.; Gahlaut, A.; Parmar, K. G.; Chakraborty, A. // Review of Scientific Instruments;Feb2012, Vol. 83 Issue 2, p02B118 

    Distribution of cesium in large negative ion beam sources to be operational in ITER, is presently based on the use of three or more cesium ovens, which operate simultaneously and are controlled remotely. However, use of multiple Cs ovens simultaneously is likely to pose difficulties in operation...

  • Anomalous acceleration of interelectrode-plasma ions in the spark stage of vacuum discharge. Shmelev, D. L.; Mesyats, G. A.; Barengol'ts, S. A. // Technical Physics Letters;May2007, Vol. 33 Issue 5, p413 

    A new method of obtaining high-energy ion beams using vacuum spark discharge is proposed. It is shown that ions are accelerated in the presence of a plasma cloud in the interelectrode gap, where the development of strong electron instability during the propagation of a cathode electron beam...

  • Cold-cathode source of ribbon gaseous ion beams. Emlin, D. R.; Gavrilov, N. V. // Review of Scientific Instruments;May2004, Vol. 75 Issue 5, p1872 

    A ribbon ion beam source based on a magnetically confined low-pressure glow discharge has been developed. The electrode system of the ion source consists of four series-installed discharge chambers of the inverted magnetron type with a thin-wire anode. Slots are made in walls between the...

  • Ion focusing in enhanced glow discharge plasma immersion ion implantation of hydrogen and nitrogen into silicon. Qiu Yuan Lu; Zhuo Wang; Liu He Li; Fu, Ricky K. Y.; Chu, Paul. K. // Journal of Applied Physics;Aug2010, Vol. 108 Issue 3, p033304 

    Ion focusing in enhanced glow discharge plasma immersion ion implantation (EGD-PIII) of hydrogen into silicon affects the lateral ion fluence uniformity. The phenomenon and its effects are investigated experimentally and theoretically under different conditions and compared to those in nitrogen...

  • The response of a capacitively coupled discharge to the formation of dust particles: Experiments and modeling. Denysenko, I.; Berndt, J.; Kovacevic, E.; Stefanovic, I.; Selenin, V.; Winter, J. // Physics of Plasmas;Jul2006, Vol. 13 Issue 7, p073507 

    The influence of dust particles on the properties of a capacitively coupled Ar–C2H2 discharge is studied both experimentally and theoretically. The results of measurements of the intensity and spatial distribution of the emitted light, the line width of the fast component of Hα line...

  • Enhancement of D- Negative Ion Volume Production in Pure Deuterium Plasmas. Fukumasa, O.; Nakano, T.; Mori, S.; Oohara, W.; Tsumori, K.; Takeiri, Y. // AIP Conference Proceedings;3/12/2009, Vol. 1097 Issue 1, p118 

    Pure volume production of D- negative ions is studied in rectangular negative ion source equipped with an external magnetic filter (MF). Plasma parameters (ne and Te) in D2 plasmas are varied mainly in the downstream region by changing the magnetic field intensity of the MF (i.e., BMF)....

  • Ballistic cross-field ion beam propagation in a magnetoplasma. Papadopoulos, K.; Mankofsky, A.; Davidson, R. C.; Drobot, A. T. // Physics of Fluids B: Plasma Physics;Apr91, Vol. 3 Issue 4, p1075 

    Long range cross-field ion beam propagation in a magnetoplasma has been studied in the high kinetic beta regime by using computer simulations and analytic techniques. A new regime of long range ballistic beam propagation has been discovered for narrow high-density beams. Ion beams with...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics