PL EN


Preferences help
enabled [disable] Abstract
Number of results
2001 | 99 | 3-4 | 373-378
Article title

Application of a Pulsed Slow-Positron Beam to Low-Density Polyethylene Film

Content
Title variants
Languages of publication
EN
Abstracts
EN
A pulsing system for a slow-positron beam was applied to study the region near the surface of low-density polyethylene film using positron-annihilation lifetime measurement. The lifetime and intensity of ortho-positronium near the surface were measured as a function of the incident positron energy (1.6-9.1 keV). The size of intermolecular spaces in the surface region (~ 1500 nm) was larger than that in the bulk region. This tendency was especially strong in the region around 200 nm below the surface. On the other hand, the intensity of ortho-positronium decreased at lower incident positron energies, which was attributed to a decrease in the density of the spur electrons and/or an increase in the number of reemitted positrons from the surface.
Keywords
EN
Contributors
author
  • Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Ibaraki 300-0394, Japan
author
  • Atomic Physics Laboratory, The Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198, Japan
author
  • Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Ibaraki 300-0394, Japan
author
  • High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
author
  • High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
author
  • High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
author
  • Department of Physics, Tokyo Gakugei University, Koganei, Tokyo 184-0015, Japan
author
  • Research Center for Nuclear Science and Technology, The University of Tokyo, Tokai, Ibaraki 319-1106, Japan
References
  • 1. S.J. Tao, J. Chem. Phys., 56, 5499, 1972
  • 2. E. Hamada, N. Oshima, T. Suzuki, H. Kobayashi, K. Kondo, I. Kanazawa, Y. Ito, Radiat. Phys. Chem., 58, 771, 2000
  • 3. A. Uedono, R. Suzuki, T. Ohdaira, T. Mikado, S. Tanigawa, M. Ban, M. Kyoto, T. Uozumi, J. Polym. Sci. B, Polym. Phys., 38, 101, 2000
  • 4. H. Cao, J.-P. Yuan, R. Zhang, C.S. Sundar, Y.C. Jean, R. Suzuki, T. Ohdaira, B. Nielsen, Appl. Surf. Sci., 149, 116, 1999
  • 5. A. Uedono, R. Suzuki, T. Ohdaira, T. Uozumi, M. Ban, M. Kyoto, S. Tanigawa, T. Mikado, J. Polym. Sci. B, Polym. Phys., 36, 2597, 1998
  • 6. H. Cao, R. Zhang, J.-P. Yuan, C.-M. Huang, Y.C. Jean, R. Suzuki, T. Ohdaira, B. Nielsen, J. Phys., Condens. Matter, 10, 10429, 1998
  • 7. Y.C. Jean, H. Cao, G.H. Dai, R. Suzuki, T. Ohdaira, Y. Kobayashi, K. Hirata, Appl. Surf. Sci., 116, 251, 1997
  • 8. L. Xie, G.B. DeMaggio, W.E. Frieze, J. DeVries, D.W. Gidley, H.A. Hristov, A.F. Yee, Phys. Rev. Lett., 74, 4947, 1995
  • 9. T. Suzuki, T. Miura, Y. Oki, M. Numajiri, K. Kondo, Y. Ito, Radiat. Phys. Chem., 45, 657, 1995
  • 10. E. Hamada, N. Oshima, T. Suzuki, H. Kobayashi, K. Kondo, I. Kanazawa, Y. Ito, Appl. Surf. Sci., 149, 40, 1999
  • 11. R. Suzuki, Y. Kobayashi, T. Mikado, H. Ohgaki, M. Chiwaki, T. Yamazaki, T. Tomimasu, Jpn. J. Appl. Phys., 30, L532, 1991
  • 12. D. Schodlbauer, P. Sperr, G. Kogel, W. Triftshauser, Nucl. Instrum. Methods B, 34, 258, 1988
  • 13. P. Kirkegaard, N.J. Pederson, M. Eldrup, PATFIT-88, Riso-M-2740, Riso National Laboratory, Roskilde (Denmark) 1989
  • 14. J. Serna, J.Ch. Abbe, G. Duplatre, Phys. Status Solidi A, 115, 389, 1989
  • 15. P.J. Schultz, K.G. Lynn, Rev. Mod. Phys., 60, 701, 1988
  • 16. O.E. Mogensen, in: Positron Annihilation in Chemistry, Ed. V.I. Goldanskii, in Springer series in Chemical Physics, Vol. 58, Springer-Verlag, Berlin 1995, p. 66
  • 17. E. Hamada, N. Oshima, T. Suzuki, H. Kobayashi, K. Kondo, I. Kanazawa, Y. Ito, in: KEK Proc. 98-4, Eds. S. Sasaki, T. Shibata, H. Takahashi, M. Nakazawa, Tsukuba 1998, p. 172
  • 18. Y. Kobayashi, Trends in Macromol. Res., 1, 33, 1994
  • 19. W. Zheng, Y. Kobayashi, K. Hirata, T. Suzuki, Radiat. Phys. Chem., 51, 269, 1998
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv99n310kz
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.