A quantum sensor for atomic-scale electric and magnetic fields
Nature Nanotechnology, ISSN: 1748-3395, Vol: 19, Issue: 10, Page: 1466-1471
2024
- 5Citations
- 50Captures
- 10Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef1
- Captures50
- Readers50
- 50
- Mentions10
- News Mentions10
- News10
Most Recent News
Quantum sensor detects magnetic and electric fields from a single atom
Researchers in Germany and Korea have fabricated a quantum sensor that can detect the electric and magnetic fields created by individual atoms – something that scientists have long dreamed of doing. The device consists of an organic semiconducting molecule attached to the metallic tip of a scanning tunnelling microscope, and its developers say that it could have applications in biology as well as
Article Description
The detection of faint magnetic fields from single-electron and nuclear spins at the atomic scale is a long-standing challenge in physics. While current mobile quantum sensors achieve single-electron spin sensitivity, atomic spatial resolution remains elusive for existing techniques. Here we fabricate a single-molecule quantum sensor at the apex of the metallic tip of a scanning tunnelling microscope by attaching Fe atoms and a PTCDA (3,4,9,10-perylenetetracarboxylic-dianhydride) molecule to the tip apex. We address the molecular spin by electron spin resonance and achieve ~100 neV resolution in energy. In a proof-of-principle experiment, we measure the magnetic and electric dipole fields emanating from a single Fe atom and an Ag dimer on an Ag(111) surface with sub-angstrom spatial resolution. Our method enables atomic-scale quantum sensing experiments of electric and magnetic fields on conducting surfaces and may find applications in the sensing of spin-labelled biomolecules and of spin textures in quantum materials.
Bibliographic Details
Springer Science and Business Media LLC
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