Structural effects induced by 2.5 MeV proton beam on zeolite 4A: Positron annihilation and X-ray diffraction study

L. A. Tuyen, E. Szilágyi, E. Kótai, K. Lázár, L. Bottyán, T. Q. Dung, L. C. Cuong, D. D. Khiem, P. T. Phuc, L. L. Nguyen, P. T. Hue, N. T.N. Hue, C. V. Tao, H. D. Chuong

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Abstract

Structural changes induced by 2.5MeV proton beam in zeolite 4A were studied at fluences of 1.1016, 8.1016 and 2.1017ion/cm2. Positron lifetime (LT) measurements were performed in vacuum after a heat treatment to remove the water from samples. X-ray diffraction method (XRD) was also applied to determine the changes in the crystallinity of zeolite. Gradual transformation of the crystalline structure to amorphous one can be observed in dependence of the implanted doses. Combination of LT and XRD provides a consistent view on structural effects induced by H+ beam in zeolite 4A.

Original languageEnglish
Pages (from-to)355-359
Number of pages5
JournalRadiation Physics and Chemistry
Volume106
DOIs
Publication statusPublished - Jan 1 2015

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Keywords

  • Positron lifetime
  • Proton beam
  • XRD
  • Zeolite 4A

ASJC Scopus subject areas

  • Radiation

Cite this

Tuyen, L. A., Szilágyi, E., Kótai, E., Lázár, K., Bottyán, L., Dung, T. Q., Cuong, L. C., Khiem, D. D., Phuc, P. T., Nguyen, L. L., Hue, P. T., Hue, N. T. N., Tao, C. V., & Chuong, H. D. (2015). Structural effects induced by 2.5 MeV proton beam on zeolite 4A: Positron annihilation and X-ray diffraction study. Radiation Physics and Chemistry, 106, 355-359. https://doi.org/10.1016/j.radphyschem.2014.08.020