DOI: 10.1063/1.1434301. Electronic spin detection in molecules using scanning-tunneling- microscopy-assisted electron-spin resonance

Electronic spin detection in molecules using scanning-tunneling- microscopy-assisted electron-spin resonance

10.1063/1.1434301

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

By combining the spatial resolution of a scanning-tunneling microscope (STM) with the electronic spin sensitivity of electron-spin resonance, we show that it is possible to detect the presence of localized spins on surfaces. The principle is that a STM is operated in a magnetic field, and the resulting component of the tunnel current at the Larmor (precession) frequency is measured. This component is nonzero whenever there is tunneling into or out of a paramagnetic entity. We have succeeded in obtaining spectra from free radical molecules from which the g factor of a spin entity may be inferred. For the molecules studied here, α,γ-bisdiphenylene-β-phenylallyl, g was found to be 2±0.1.

Bibliography

Durkan, C., & Welland, M. E. (2002). Electronic spin detection in molecules using scanning-tunneling- microscopy-assisted electron-spin resonance. Applied Physics Letters, 80(3), 458â460.

Authors 2

C. Durkan (first)
M. E. Welland (additional)

References 16 Referenced 175

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{'key': '2024020321302390300_r16'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:08 a.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 4:30 p.m.)
Indexed	2 weeks ago (Aug. 20, 2025, 8:49 a.m.)
Issued	23 years, 7 months ago (Jan. 21, 2002)
Published	23 years, 7 months ago (Jan. 21, 2002)
Published Print	23 years, 7 months ago (Jan. 21, 2002)

Funders 0

None

BibTeX

@article{Durkan_2002, title={Electronic spin detection in molecules using scanning-tunneling- microscopy-assisted electron-spin resonance}, volume={80}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1434301}, DOI={10.1063/1.1434301}, number={3}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Durkan, C. and Welland, M. E.}, year={2002}, month=jan, pages={458–460} }

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