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Hyperfine interaction of individual atoms on a surface

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Title
Hyperfine interaction of individual atoms on a surface
Author(s)
Philip Willke; Yujeong Bae; Kai Yang; Jose L. Lado; Alejandro Ferrón; Taeyoung Choi; Arzhang Ardavan; Joaquín Fernández-Rossier; Andreas J. Heinrich; Christopher P. Lutz
Publication Date
2018-10
Journal
SCIENCE, v.362, no.6412, pp.336 - 339
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Abstract
Taking advantage of nuclear spins for electronic structure analysis, magnetic resonance imaging, and quantum devices hinges on knowledge and control of the surrounding atomic-scale environment. We measured and manipulated the hyperfine interaction of individual iron and titanium atoms placed on a magnesium oxide surface by using spin-polarized scanning tunneling microscopy in combination with single-atom electron spin resonance. Using atom manipulation to move single atoms, we found that the hyperfine interaction strongly depended on the binding configuration of the atom. We could extract atom- and position-dependent information about the electronic ground state, the state mixing with neighboring atoms, and properties of the nuclear spin. Thus, the hyperfine spectrum becomes a powerful probe of the chemical environment of individual atoms and nanostructures.
URI
https://pr.ibs.re.kr/handle/8788114/5124
ISSN
0036-8075
Appears in Collections:
Center for Quantum Nanoscience(양자나노과학 연구단) > Journal Papers (저널 논문)
Files in This Item:
336.full Hyperfine.pdfDownload

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