Delocalized radiation damage in polymers

R. F. Egerton; S. Lazar; M. Libera

doi:10.1016/j.micron.2011.05.007

Delocalized radiation damage in polymers

R. F. Egerton, S. Lazar, M. Libera

Department of Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

We present and discuss measurements of electron-irradiation damage in polystyrene and other polymers, based on fading of the 7-eV energy-loss peak. These measurements suggest a large increase in characteristic dose as the electron-beam diameter is reduced from 1 μm to below 1. nm. This finding is discussed in terms of secondary-electron production and delocalization of the inelastic scattering, both as it affects the volume of specimen in which the energy is deposited and the volume giving rise to the inelastic signal used to assess the damage.

Original language	English
Pages (from-to)	2-7
Number of pages	6
Journal	Micron
Volume	43
Issue number	1
DOIs	https://doi.org/10.1016/j.micron.2011.05.007
State	Published - Jan 2012

Keywords

Delocalization
EELS
Polymers
Radiation damage

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10.1016/j.micron.2011.05.007

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AU - Lazar, S.

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AB - We present and discuss measurements of electron-irradiation damage in polystyrene and other polymers, based on fading of the 7-eV energy-loss peak. These measurements suggest a large increase in characteristic dose as the electron-beam diameter is reduced from 1 μm to below 1. nm. This finding is discussed in terms of secondary-electron production and delocalization of the inelastic scattering, both as it affects the volume of specimen in which the energy is deposited and the volume giving rise to the inelastic signal used to assess the damage.

KW - Delocalization

KW - EELS

KW - Polymers

KW - Radiation damage

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JO - Micron

JF - Micron

IS - 1

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Delocalized radiation damage in polymers

Abstract

Keywords

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