Simulation of high current electron and ion beam dynamics for EBIS

Tiunov, Michael A.; Kuznetsov, Gennadi I.; Batazova, Marina A.
July 2001
AIP Conference Proceedings;2001, Vol. 572 Issue 1, p155
Conference Proceeding
The results of the modeling of formation and transportation of ion and electron beams for EBTS BNL are presented. Simulations have been done with SAM, BEAM, and ExtraSAM codes. Some features of the codes are given as well. The codes provide high accuracy for simulating a wide range of tasks at EBTS, including electron gun, trap, collector, extraction, and transportation of the ion beam. Several examples of those computing can be found in the report. An effect of radial modulation of current density of electron beam in the magnetic field due to the sag between an edge and a center of the beam was noted.


Related Articles

  • Secondary emission effects in an ion injector beam transportation system. Lobanov, N. R.; Glazkov, A. A. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2768 

    Beam transportation evokes various secondary effects caused by beam-internal surfaces interaction. A number of effects connected with secondary emission of ion-electron type is considered. The cylindrical device is described which neutralizes beam spatial charge by the secondary electrons...

  • Influence of the rf excitation on the low energy broad ion beam characteristics (abstract)a). Engemann, J.; Korzec, D.; Ningel, K.-P.; Zrnc, G. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2755 

    Influence of the rf excitation in a capacitively coupled filamentless broad ion beam source with radial electrode configuration on the ion beam properties has been examined. Ion energy distribution was measured by use of a retarding field energy analyzer connected to a computer controlled data...

  • Atomic nitrogen ion beam from a pulsed duoplasmatron ion source. Ludwig, T.; Volk, K.; Klein, H.; Schempp, A. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2616 

    A duoplasmatron ion source fed with nitrogen usually produces a N[sup +] fraction of approx. 60% in dc mode. In pulsed mode, the duoplasmatron ion source turns out to be a nearly perfect source for atomic nitrogen ions with a high fraction of more than 90% in the milliampere range. This is...

  • Performance characteristics of a capacitively coupled 3 cm rf ion source (abstract)a). Korzec, D.; Engemann, J.; Rapp, J. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2574 

    A novel 13.56 MHz radio frequency capacitively coupled ion source has been developed and characterized with special emphasis on low-energy ( < 1 keV) broad ion beam extraction. When operating the source with chamber pressures ranging from 1 × 10[sup -4] to 1.7 × 10[sup -3] mbar (O[sub 2]...

  • Peak position and width of the energy distribution of ion beams extracted from a plasma source. Glatzel, H.; Wittmaack, K. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2765 

    Energy spectra of 1 kev He[sup +] and Ar[sup +] ion beams have been investigated using a sector field analyzer with a resolution ΔE/E <10[sup -3]. The ions were generated in a filament type plasma ion source with axial magnetic confinement. The energy spectra exhibited a unimodal, almost...

  • H- temperature dependences in a Penning surface-plasma source. Smith, H. Vernon; Sherman, Joseph D.; Geisik, Carl; Allison, Paul // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2723 

    Simple analysis of the nearly Maxwellian angular distributions of the ribbon H[sup -] ion beams extracted from a long, narrow slit on the 8X source yields the H[sup -] temperature, kT[sub H[sup -]]. The derived kT[sub H[sup -]] are 0.1-0.3 eV for a 2-A de discharge and 0.7-1.3 eV for a 400-A...

  • Beam investigations at a multicusp ion source. Volk, K.; Klein, H.; Leung, K. N. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2607 

    in cooperation with the Lawrence Berkeley Laboratory, a multicusp ion source has been investigated. The goal of these investigations is to generate a nearly pure atomic nitrogen (N[sup +]) ion beam. To achieve this, the discharge chamber is divided into two parts of different plasma parameters...

  • Oxygen and carbon ions from a reflex discharge ion source. Hentschel, R.; Henke, D. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2590 

    intense beams of oxygen and carbon ions are of interest for applications in microelectronics and material modification. However, it is often impossible to produce them with usual arc discharge ion sources for a sufficiently long time because of the corrosion or covering of the cathode. The paper...

  • Production of mixed metal–gas and pure metal ion beams with an electrodeless rf ion source in the low keV regime. Waldorf, J.; Oechsner, H. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2578 

    Mixed metal-gas or even pure metal ion beams with current densities in the order of 1 mA cm[sup -2] can be generated by electron beam evaporation of metals into the plasma chamber of an rf ion source operated in electron-cyclotron wave resonance. The operation principle of this novel ion beam...


Read the Article


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

Try another library?
Sign out of this library

Other Topics