First resolution test results of the Atomki nuclear nanoprobe

I. Rajta, G. U.L. Nagy, I. Vajda, S. Z. Szilasi, G. W. Grime, F. Watt

Research output: Contribution to journalArticle

Abstract

In this work we report about the layout, assembly and the first resolution tests of the nuclear nanoprobe at MTA Atomki, Debrecen, Hungary. The nanoprobe setup was installed on the recently inaugurated 2 MV Tandetron accelerator manufactured by High Voltage Engineering Europa B.V. (HVEE). Although the complete Tandetron Laboratory was planned at the first project proposal stage, due to funding limitations the major components were purchased step by step, and so the present layout is only temporary. The necessary building reconstruction was also performed in phases. We present the preliminary experimental results and compare them what to expect in the final configuration using WinTRAX calculations. These calculations include focusing at different working distances, the performance at the planned final length (object distance), as well as scanning simulations using ‘dog-leg’ scan. At the present status it is already worth reporting that the preliminary nanoprobe setup has reached a satisfactory experimental performance of around 200 nm spot size for low current mode, and below 600 nm for high current mode.

Original languageEnglish
Pages (from-to)94-98
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume449
DOIs
Publication statusPublished - Jun 15 2019

Keywords

  • Beam brightness
  • Ion optics
  • Nanoprobe
  • Nuclear microprobe

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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