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@ARTICLE{Lipp:616870,
author = {Lipp, Vladimir and Tkachenko, Victor and Inoue, Ichiro and
Heimann, Philip and Ryzhkova, Anastasiia and Bashandi,
Abdelkhalek and Ziaja, Beata},
title = {{E}xploring x-ray irradiation conditions for triggering
ultrafast diamond graphitization},
journal = {Physical review / B},
volume = {111},
number = {2},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {PUBDB-2024-06561},
pages = {024103},
year = {2025},
abstract = {Intense femtosecond x-ray pulses produced by an x-ray
free-electron laser can trigger irreversible structural
transitions in crystalline solids. For instance, irradiation
of diamond can lead to graphitization and, at higher
deposited doses, to amorphization. Our Monte Carlo
simulations of irradiated diamond under realistic
experimental conditions demonstrate that triggering
graphitization or other phase transitions with hard x-ray
photons can be challenging due to the ballistic escape of
photoelectrons out of the beam focus. Decisive parameter
here is the photoelectron range in proportion to the focal
beam size. For future experiments on x-ray-induced
transitions, such dedicated simulations of ballistic
transport preceding the beamtime will be necessary. They can
predict experimental conditions under which the desired
distribution of the absorbed x-ray dose in the irradiated
solid can be achieved.},
cin = {FS-CFEL-XM},
ddc = {530},
cid = {I:(DE-H253)FS-CFEL-XM-20210408},
pnm = {631 - Matter – Dynamics, Mechanisms and Control
(POF4-631)},
pid = {G:(DE-HGF)POF4-631},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001418014000001},
doi = {10.1103/PhysRevB.111.024103},
url = {https://bib-pubdb1.desy.de/record/616870},
}