Paper Title:
Slow Positron Beam Probe for the ZnO/Silicone under Proton Irradiation
  Abstract

The degradation of ZnO/Silicone coating system under 90keV proton irradiation varying from 5×1014cm-2 to 1×1016cm-2, was studied by slow positron annihilation spectrum. Effective diffusion length calculated by Variable energy positron fit (VEPFIT) shows a dramatically break in a dose of 1×1015cm-2. It is ascribed to the increase of crosslink density and decrease of free volume and hole during the proton irradiation. Furthermore, positron has shown a satisfying sensitivity in detecting the nano-scale defect on ZnO/Silicone system.

  Info
Periodical
Edited by
S. J. Wang, Z. Q. Chen, B. Wang and Y. C. Jean
Pages
108-110
DOI
10.4028/www.scientific.net/MSF.607.108
Citation
Y. P. Hao, H. M. Weng, C. D. Li, W. F. Guo, J. D. Liu, H. J. Du, H. Y. Xiao, B. J. Ye, "Slow Positron Beam Probe for the ZnO/Silicone under Proton Irradiation", Materials Science Forum, Vol. 607, pp. 108-110, 2009
Online since
November 2008
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$32.00
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