In situ MeV ion beam analysis of ceramic surfaces modified by 100-400 keV ion irradiation

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This paper describes use of the in situ ion beam analysis facility developed at Los Alamos National Laboratory for the study of irradiation effects in ceramic materials. In this facility, an analytical beamline of 3 MV tandem accelerator and an irradiation bean-dine of 200 kV ion implanter are connected at 60{degrees} to a common target chamber. This facility provides a fast, efficient, and quantitative measurement tool to monitor changes of composition and crystallinity of materials irradiated by 100-400 keV ions, through sequential measurement of backscattering events of MeV ions combined with ion channeling techniques. We will describe the details of ... continued below

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17 p.

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Weber, W.J.; Yu, N. & Sickafus, K.E. May 1, 1995.

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  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

This paper describes use of the in situ ion beam analysis facility developed at Los Alamos National Laboratory for the study of irradiation effects in ceramic materials. In this facility, an analytical beamline of 3 MV tandem accelerator and an irradiation bean-dine of 200 kV ion implanter are connected at 60{degrees} to a common target chamber. This facility provides a fast, efficient, and quantitative measurement tool to monitor changes of composition and crystallinity of materials irradiated by 100-400 keV ions, through sequential measurement of backscattering events of MeV ions combined with ion channeling techniques. We will describe the details of the in situ ion beam analysis and ion irradiation and discuss some of the important issues and their solutions associated with the in situ experiment. These issues include (1) the selection of axial ion channeling direction for the measurement of radiation damage; (2) surface charging and charge collection for data acquisition; (3) surface sputtering during ion irradiation; (4) the effects of MeV analytical beam on the materials; and (5) the sample heating effect on ion beam analysis.

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17 p.

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INIS; OSTI as DE95014623

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  • International conference on ion beam analysis, Tempe, AZ (United States), 22-26 May 1995

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  • Other: DE95014623
  • Report No.: PNL-SA--26451
  • Report No.: CONF-9505122--2
  • Grant Number: AC06-76RL01830
  • Office of Scientific & Technical Information Report Number: 86937
  • Archival Resource Key: ark:/67531/metadc794745

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  • May 1, 1995

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  • Dec. 19, 2015, 7:14 p.m.

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  • April 7, 2016, 2:48 p.m.

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Weber, W.J.; Yu, N. & Sickafus, K.E. In situ MeV ion beam analysis of ceramic surfaces modified by 100-400 keV ion irradiation, article, May 1, 1995; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc794745/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.