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Title: Velocity map imaging of inelastic and elastic low energy electron scattering in organic nanoparticles

Abstract

Electron transport is of fundamental importance, and has application in a variety of fields. Different scattering mechanisms affect electron transport in solids. It is important to comprehensively understand these mechanisms and their scattering cross-sections to predict electron transport properties. Whereas electron transport is well understood for high kinetic energy (KE) electrons, there are inconsistencies in the low KE regime. In this study, velocity map imaging soft X-ray photoelectron spectroscopy is applied to unsupported organic nanoparticles to extract experimental values of inelastic and elastic mean free paths. The obtained data is used to calculate corresponding scattering cross-sections. The data demonstrates a decrease of the Inelastic Mean Free Path and increase of the Elastic Mean Free Path with increasing electron KE between 10-50 eV.

Authors:
 [1];  [2];  [1];  [1];  [1]
+ Show Author Affiliations
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division; USDOE
OSTI Identifier:
1564077
Alternate Identifier(s):
OSTI ID: 1592793
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Resource Relation:
Journal Volume: 151; Journal Issue: 18
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Kostko, Oleg, Jacobs, Michael I., Xu, Bo, Wilson, Kevin R., and Ahmed, Musahid. Velocity map imaging of inelastic and elastic low energy electron scattering in organic nanoparticles. United States: N. p., 2019. Web. doi:10.1063/1.5126343.
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Kostko, Oleg, Jacobs, Michael I., Xu, Bo, Wilson, Kevin R., & Ahmed, Musahid. Velocity map imaging of inelastic and elastic low energy electron scattering in organic nanoparticles. United States. doi:10.1063/1.5126343.
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Kostko, Oleg, Jacobs, Michael I., Xu, Bo, Wilson, Kevin R., and Ahmed, Musahid. Wed . "Velocity map imaging of inelastic and elastic low energy electron scattering in organic nanoparticles". United States. doi:10.1063/1.5126343.
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@article{osti_1564077,
title = {Velocity map imaging of inelastic and elastic low energy electron scattering in organic nanoparticles},
author = {Kostko, Oleg and Jacobs, Michael I. and Xu, Bo and Wilson, Kevin R. and Ahmed, Musahid},
abstractNote = {Electron transport is of fundamental importance, and has application in a variety of fields. Different scattering mechanisms affect electron transport in solids. It is important to comprehensively understand these mechanisms and their scattering cross-sections to predict electron transport properties. Whereas electron transport is well understood for high kinetic energy (KE) electrons, there are inconsistencies in the low KE regime. In this study, velocity map imaging soft X-ray photoelectron spectroscopy is applied to unsupported organic nanoparticles to extract experimental values of inelastic and elastic mean free paths. The obtained data is used to calculate corresponding scattering cross-sections. The data demonstrates a decrease of the Inelastic Mean Free Path and increase of the Elastic Mean Free Path with increasing electron KE between 10-50 eV.},
doi = {10.1063/1.5126343},
journal = {},
number = 18,
volume = 151,
place = {United States},
year = {2019},
month = {9}
}
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DOI:  10.1063/1.5126343
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