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@ARTICLE{Martinelli:454460,
author = {Martinelli, Alessandro and Baldi, G. and Dallari, Francesco
and Rufflé, B. and Zontone, F. and Monaco, G.},
title = {{P}robing the dynamics of {B}$_{2}${O}$_{3}$ across the
glass transition: an {X}-ray photon correlation spectroscopy
study},
journal = {The philosophical magazine},
volume = {100},
number = {20},
issn = {1478-6443},
address = {Abingdon},
publisher = {Taylor $\&$ Francis},
reportid = {PUBDB-2021-00534},
pages = {2636 - 2645},
year = {2020},
note = {Waiting for fulltext},
abstract = {X-ray photon correlation spectroscopy is used to study the
dynamics of the glass former B$_{2}$O$_{3}$ across the glass
transition temperature, T$_g$. The obtained data confirm
that while the structural relaxation drives the density
rearrangements in the liquid phase, a beam-induced dynamics
is the dominant effect around and below T$_g$. The use of a
hybrid photon counting detector allows us to obtain
high-quality correlation functions with a characteristic
decay time down to a second. The characteristic time of the
induced dynamics displays a linear dependence on the inverse
of the absorbed X-ray power over the whole observed range,
i.e. up to powers of 0.2 eV/atom/s. Up to these values,
then, an X-ray irradiated B$_{2}$O$_{3}$ glass sample
explores structurally equivalent configurations on a
timescale dictated by the absorbed power.},
cin = {FS-CXS},
ddc = {530},
cid = {I:(DE-H253)FS-CXS-20130727},
pnm = {6213 - Materials and Processes for Energy and Transport
Technologies (POF3-621)},
pid = {G:(DE-HGF)POF3-6213},
experiment = {EXP:(DE-MLZ)External-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000532279800001},
doi = {10.1080/14786435.2020.1757172},
url = {https://bib-pubdb1.desy.de/record/454460},
}