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@ARTICLE{Soldini:1020231,
author = {Küster, Felix and Wagner, Glenn and Das, Souvik and
Aldarawsheh, Amal and Thomale, Ronny and Lounis, Samir and
Parkin, Stuart S. P. and Sessi, Paolo and Neupert, Titus},
collaboration = {Soldini, Martina O.},
title = {{T}wo-dimensional {S}hiba lattices as a possible platform
for crystalline topological superconductivity},
journal = {Nature physics},
volume = {19},
number = {12},
issn = {1745-2473},
address = {Basingstoke},
publisher = {Nature Publishing Group},
reportid = {FZJ-2023-05898},
pages = {1848 - 1854},
year = {2023},
abstract = {Localized or propagating Majorana boundary modes are the
key feature of topological superconductors. They are rare in
naturally occurring compounds, but the tailored manipulation
of quantum matter offers opportunities for their
realization. Specifically, lattices of Yu–Shiba–Rusinov
bound states—Shiba lattices—that arise when magnetic
adatoms are placed on the surface of a conventional
superconductor can be used to create topological bands
within the superconducting gap of the substrate. Here we
reveal two signatures consistent with the realization of two
types of mirror-symmetry-protected topological
superconductor using scanning tunnelling microscopy to
create and probe adatom lattices with single-atom precision.
The first has edge modes as well as higher-order corner
states, and the second has symmetry-protected bulk nodal
points. In principle, their topological character and
boundary modes should be protected by the spatial symmetries
of the adatom lattice. Our results highlight the potential
of Shiba lattices as a platform to design the topology and
sample geometry of two-dimensional superconductors.},
cin = {IAS-1 / PGI-1},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001025581000001},
doi = {10.1038/s41567-023-02104-5},
url = {https://juser.fz-juelich.de/record/1020231},
}