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@ARTICLE{Mller:904602,
author = {Müller, Maximilian J. and Yadav, Aakash and Persch,
Christoph and Wahl, Sophia and Hoff, Felix and Wuttig,
Matthias},
title = {{T}ailoring {C}rystallization {K}inetics of {C}halcogenides
for {P}hotonic {A}pplications},
journal = {Advanced electronic materials},
volume = {8},
number = {8},
issn = {2199-160X},
address = {Weinheim},
publisher = {Wiley-VCH Verlag GmbH $\&$ Co. KG},
reportid = {FZJ-2021-06172},
pages = {2100974 -},
year = {2022},
abstract = {Chalcogenides possess interesting optical properties, which
are attractive for a variety of applications such as data
storage, neuromorphic computing, and photonic switches.
Lately a group of covalently bonded chalcogenides including
Sb2Se3 and Sb2S3 has moved into the focus of interest for
such photonic applications, where high optical contrast as
well as reliable and fast switching is of crucial
importance. Here, these properties of Sb2Se3 are examined
and compared with typical phase change materials such as
GeSb2Te4 and Ge2Sb2Te5. Sb2Se3 is favorable for many
photonic applications due to its larger band gap, yet, the
maximum optical contrast achievable is smaller than for GeTe
and Ge2Sb2Te5. Furthermore, crystallization needs
significantly longer and exhibits a distinctively wider
stochastic distribution of reflectances after
crystallization, which provides challenges for the usage in
photonic applications. At the same time, the
glassy/amorphous state of Sb2Se3 is more stable. These
differences can be attributed to differences in bonding of
the crystalline state, which is more covalent for Sb2Se3. A
quantum-chemical map can help to understand and explain
these trends and facilitates the design of tailored
materials for photonic applications.},
cin = {PGI-10},
ddc = {621.3},
cid = {I:(DE-Juel1)PGI-10-20170113},
pnm = {5233 - Memristive Materials and Devices (POF4-523) /
Verbundprojekt: Neuro-inspirierte Technologien der
künstlichen Intelligenz für die Elektronik der Zukunft -
NEUROTEC -, Teilvorhaben: Forschungszentrum Jülich
(16ES1133K)},
pid = {G:(DE-HGF)POF4-5233 / G:(BMBF)16ES1133K},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000720738700001},
doi = {10.1002/aelm.202100974},
url = {https://juser.fz-juelich.de/record/904602},
}