Spin-orbit-coupling mechanism for scanning-tunneling-microscopy observation of individual paramagnetic spins

D. Shachal, Y. Manassen

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The observation of the precession frequencies of individual paramagnetic spins with the scanning tunneling microscope is explained here by a spin-orbit-coupling mechanism. The dangling-bond defect is excited into a superposition of eigenstates by the tunneling electrons. The charge density of the dangling bond will therefore be time dependent. Due to the spin-orbit coupling, frequencies close to the precession frequencies will appear in these oscillations, and the tunneling current will have oscillating components that are related to the precession frequency.

Original languageEnglish
Pages (from-to)11528-11531
Number of pages4
JournalPhysical Review B
Volume44
Issue number20
DOIs
StatePublished - 1 Jan 1991
Externally publishedYes

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