Journal
SCIENCE ADVANCES
Volume 5, Issue 7, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aav6600
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Funding
- European Research Council Advanced Grant ASTONISH [338802]
- Alexander von Humboldt foundation
- U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-05ER46225]
- Australian Research Council [FT180100211]
- National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science [DE-AC02-05CH11231]
- European Research Council Advanced Grant ADMIRE [786020]
- Australian Research Council [FT180100211] Funding Source: Australian Research Council
- European Research Council (ERC) [786020] Funding Source: European Research Council (ERC)
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Topological superconductors are predicted to harbor exotic boundary states-Majorana zero-energy modes-whose non-Abelian braiding statistics present a new paradigm for the realization of topological quantum computing. Using low-temperature scanning tunneling spectroscopy, here, we report on the direct real-space visualization of chiral Majorana edge states in a monolayer topological superconductor, a prototypical magnet-superconductor hybrid system composed of nanoscale Fe islands of monoatomic height on a Re(0001)-O(2 x 1) surface. In particular, we demonstrate that interface engineering by an atomically thin oxide layer is crucial for driving the hybrid system into a topologically nontrivial state as confirmed by theoretical calculations of the topological invariant, the Chern number.
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