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Study on structural recovery of graphite irradiated with swift heavy ions at high temperature

Pellemoine, F. and Avilov, M. and Bender, M. and Ewing, R. C. and Fernandes, S. and Lang, M. and Li, W. X. and Mittig, W. and Schein, M. and Severin, D. and Tomut, M. and Trautmann, C. and Zhang, F. X. (2015):
Study on structural recovery of graphite irradiated with swift heavy ions at high temperature.
In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier Science, Netherlands, pp. 522-524, 365, ISSN 0168583X, [Online-Edition: http://dx.doi.org/10.1016/j.nimb.2015.09.007],
[Article]

Abstract

Thin graphite foils bombarded with an intense high-energy (8.6 MeV/u) gold beam reaching fluences up to 1 x 10(15) ions/cm(2) lead to swelling and electrical resistivity changes. As shown earlier, these effects are diminished with increasing irradiation temperature. The work reported here extends the investigation of beam induced changes of these samples by structural analysis using synchrotron X-ray diffraction and transmission electron microscope. A nearly complete recovery from swelling at irradiation temperatures above about 1500 degrees C is identified. (C) 2015 Elsevier B.V. All rights reserved.

Item Type: Article
Erschienen: 2015
Creators: Pellemoine, F. and Avilov, M. and Bender, M. and Ewing, R. C. and Fernandes, S. and Lang, M. and Li, W. X. and Mittig, W. and Schein, M. and Severin, D. and Tomut, M. and Trautmann, C. and Zhang, F. X.
Title: Study on structural recovery of graphite irradiated with swift heavy ions at high temperature
Language: English
Abstract:

Thin graphite foils bombarded with an intense high-energy (8.6 MeV/u) gold beam reaching fluences up to 1 x 10(15) ions/cm(2) lead to swelling and electrical resistivity changes. As shown earlier, these effects are diminished with increasing irradiation temperature. The work reported here extends the investigation of beam induced changes of these samples by structural analysis using synchrotron X-ray diffraction and transmission electron microscope. A nearly complete recovery from swelling at irradiation temperatures above about 1500 degrees C is identified. (C) 2015 Elsevier B.V. All rights reserved.

Journal or Publication Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume: 365
Publisher: Elsevier Science, Netherlands
Uncontrolled Keywords: High-power graphite target, Swift heavy ion, Radiation damage, Structural recovery
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Ion-Beam-Modified Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 29 Feb 2016 13:05
Official URL: http://dx.doi.org/10.1016/j.nimb.2015.09.007
Identification Number: doi:10.1016/j.nimb.2015.09.007
Funders: The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-ACO2-05CH11231., The TEM and XRD analysis was completed at the University of Michigan and supported by the Energy Frontier Research Center Materials Science of Actinides funded by the U.S. Department of Energy, Office of Basic Energy Sciences (DE-SC0001089)., This material is based upon work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661, the State of Michigan and Michigan State University., Michigan State University designs and establishes FRIB as a DOE Office of Science National User Facility in support of the mission of the Office of Nuclear Physics.
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