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@INBOOK{Mller:902433,
author = {Müller, David},
title = {{D}ata {C}ollection {S}trategies, {A}nalysis, and
{I}nterpretation in {AP}-{XAS}},
address = {Washington, DC},
publisher = {ACS Publications},
reportid = {FZJ-2021-04255},
isbn = {9780841298125},
pages = {315-331},
year = {2021},
comment = {Ambient Pressure Spectroscopy in Complex Chemical
Environments},
booktitle = {Ambient Pressure Spectroscopy in
Complex Chemical Environments},
abstract = {This chapter will focus on strategies to collect meaningful
X-ray absorption data in an ambient medium covering both the
hard and soft X-ray regime and how to guide analysis,
keeping experimental and physical differences of various
strategies in mind. A special interest will be put on how
the interaction of primary radiation and signal carriers
with the surrounding medium will influence data acquisition
and interpretation. Since hard and soft X-rays can be used
to probe different electron shells in a material, both
experiments can yield important and complementary
information. Dipole selection rules lead to vastly different
behavior of K- and L-edge XAS of transition metals, for
example. In their ambient pressure variants, two major
issues (that are fundamentally intertwined) arise when
interpreting the data collected from both techniques:
Whereas hard X-rays can penetrate condensed matter on a
macroscopic scale making true transmission experiments
possible, soft X-rays are confined to either electron or
fluorescence yield detection modes, the latter suffering
from low yields from lighter elements. Those not only pose
different experimental challenges to avoid signal loss due
to absorption in the reaction medium, but also probe depths
of different orders of magnitude.},
cin = {PGI-6 / PGI-7},
cid = {I:(DE-Juel1)PGI-6-20110106 / I:(DE-Juel1)PGI-7-20110106},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-632},
typ = {PUB:(DE-HGF)7},
url = {https://juser.fz-juelich.de/record/902433},
}