Doping-InducedSuperconductivity in the van der WaalsSuperatomic Crystal Re6Se8Cl2
2020
Superatomic
crystals are composed of discrete modular clusters
that emulate the role of atoms in traditional atomic solids. Owing
to their unique hierarchical structures, these materials are promising
candidates to host exotic phenomena, such as doping-induced superconductivity
and magnetism. Low-dimensional superatomic crystals in particular
hold great potential as electronic components in nanocircuits, but
the impact of doping in such compounds remains unexplored. Here we
report the electrical transport properties of Re6Se8Cl2, a two-dimensional superatomic semiconductor.
We find that this compound can be n-doped in situ through Cl dissociation, drastically altering the transport behavior
from semiconducting to metallic and giving rise to superconductivity
with a critical temperature of ∼8 K and upper critical field
exceeding 30 T. This work is the first example of superconductivity
in a van der Waals superatomic crystal; more broadly, it establishes
a new chemical strategy to manipulate the electronic properties of
van der Waals materials with labile ligands.
Keywords:
- Correction
- Source
- Cite
- Save
- Machine Reading By IdeaReader
0
References
0
Citations
NaN
KQI