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Title: Production and characterization of thin, self-supporting Si foils for use as targets in radioactive beam experiments

Abstract

Development of thin, self-supporting silicon foils (both natural and isotopically-enriched) for use as targets in reaction studies with radioactive beams is detailed. Foils with a thickness of ~220 μg/cm2 were produced using vapor deposition and were floated onto aluminum frames with 10–15 mm diameter holes. During their production, the foil thickness was measured using a quartz crystal monitor. Subsequently, the foil thickness was characterized by particle energy loss measurements and Rutherford backscattering (RBS). These measurements demonstrated that the thickness could be determined to within a 0.5% uncertainty. The elemental purity of the foils was assessed using RBS and X-ray photoelectron spectroscopy. Lastly, this analysis demonstrated that the foils have 87%–90% silicon abundance.

Authors:
 [1];  [1];  [1];  [2];  [3]; ORCiD logo [1]
  1. Indiana Univ., Bloomington, IN (United States)
  2. Indiana Univ., Bloomington, IN (United States); Rock Island Arsenal, Rock Island, IL (United States)
  3. VanderWerfHall, Holland, MI (United States)
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
OSTI Identifier:
1646995
Alternate Identifier(s):
OSTI ID: 1768661; OSTI ID: 1822368
Grant/Contract Number:  
FG02-88ER40404; DMR MRI-1126394; PHY-1613188
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 953; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; target production; target characterization; isotopically enriched target; silicon target; target thickness determination; target purity; self-supporting foils; vapor deposition

Citation Formats

Johnstone, J. E., Hudan, S., Folluo, C., Werke, T., DeYoung, P. A., and deSouza, Romualdo. Production and characterization of thin, self-supporting Si foils for use as targets in radioactive beam experiments. United States: N. p., 2019. Web. doi:10.1016/j.nima.2019.163267.
Johnstone, J. E., Hudan, S., Folluo, C., Werke, T., DeYoung, P. A., & deSouza, Romualdo. Production and characterization of thin, self-supporting Si foils for use as targets in radioactive beam experiments. United States. https://doi.org/10.1016/j.nima.2019.163267
Johnstone, J. E., Hudan, S., Folluo, C., Werke, T., DeYoung, P. A., and deSouza, Romualdo. Wed . "Production and characterization of thin, self-supporting Si foils for use as targets in radioactive beam experiments". United States. https://doi.org/10.1016/j.nima.2019.163267. https://www.osti.gov/servlets/purl/1646995.
@article{osti_1646995,
title = {Production and characterization of thin, self-supporting Si foils for use as targets in radioactive beam experiments},
author = {Johnstone, J. E. and Hudan, S. and Folluo, C. and Werke, T. and DeYoung, P. A. and deSouza, Romualdo},
abstractNote = {Development of thin, self-supporting silicon foils (both natural and isotopically-enriched) for use as targets in reaction studies with radioactive beams is detailed. Foils with a thickness of ~220 μg/cm2 were produced using vapor deposition and were floated onto aluminum frames with 10–15 mm diameter holes. During their production, the foil thickness was measured using a quartz crystal monitor. Subsequently, the foil thickness was characterized by particle energy loss measurements and Rutherford backscattering (RBS). These measurements demonstrated that the thickness could be determined to within a 0.5% uncertainty. The elemental purity of the foils was assessed using RBS and X-ray photoelectron spectroscopy. Lastly, this analysis demonstrated that the foils have 87%–90% silicon abundance.},
doi = {10.1016/j.nima.2019.163267},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 953,
place = {United States},
year = {2019},
month = {12}
}

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Cited by: 2 works
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Works referenced in this record:

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