Atomically resolved Larmor frequency detection on Si (111) -7×7 oxide surface

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We demonstrate that the electron spin resonance-scanning tunneling microscope can detect the Larmor frequency of a single spin with the atomic scale resolution on the oxygen-adsorbed Si (111) -7×7 surface. The spin signal from the Si dangling bond was detected on the oxygen-induced bright Si adatom with the Larmor frequency corresponding to g∼2.00. However, no peak was detected on the dark adatom that is tied with an oxygen atom and the dangling bond is disappeared.

Original languageEnglish
Article number082504
JournalApplied Physics Letters
Issue number8
Publication statusPublished - 2009


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