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Positron age-momentum correlation studies of free volumes in toughened cyanate resin networks
Zeng, MF; Sun, XD; Lu, CY; Li, ZX; Wang, BY; Qi, CZ;李卓昕; Wang BY(王宝义)
2012
Source PublicationRADIATION PHYSICS AND CHEMISTRY
Volume81Issue:6Pages:628-631
AbstractPositron age-momentum correlation (AMOC) spectroscopy is applied to study the associations between the momentum distributions and positron annihilation in the toughened CE networks. The Doppler profile of the positron annihilation process is much broader for the toughened CE than pure CE network. This is due to positron trapping on high polar groups of the added elastomers or nano-CaCO3 and annihilation with the electrons of high momenta. The broadening momentum distribution of ortho-positronium annihilation process indicates that the pick-off annihilation process is strongly influenced by the added high polar elastomers or nano-CaCO3. The potential of AMOC spectroscopy for free volume analysis in polymer blends was demonstrated. (C) 2012 Elsevier Ltd. All rights reserved.
KeywordPositron Positron age-momentum correlation Free volume Cyanate resin
Subject AreaChemistry; Nuclear Science & Technology; Physics
DOI10.1016/j.radphyschem.2012.02.006
Indexed BySCI ; ADS
WOS IDWOS:000303788300007
ADS Bibcode2012RaPC...81..628M
ADS URLhttps://ui.adsabs.harvard.edu/abs/2012RaPC...81..628M
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2012RaPC...81..628M/citations
Citation statistics
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224030
Collection多学科研究中心
Recommended Citation
GB/T 7714
Zeng, MF,Sun, XD,Lu, CY,et al. Positron age-momentum correlation studies of free volumes in toughened cyanate resin networks[J]. RADIATION PHYSICS AND CHEMISTRY,2012,81(6):628-631.
APA Zeng, MF.,Sun, XD.,Lu, CY.,Li, ZX.,Wang, BY.,...&王宝义.(2012).Positron age-momentum correlation studies of free volumes in toughened cyanate resin networks.RADIATION PHYSICS AND CHEMISTRY,81(6),628-631.
MLA Zeng, MF,et al."Positron age-momentum correlation studies of free volumes in toughened cyanate resin networks".RADIATION PHYSICS AND CHEMISTRY 81.6(2012):628-631.
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