期刊
PHYSICAL REVIEW B
卷 84, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.84.195321
关键词
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资金
- Science Foundation Ireland [06/IN.1/I106, 07/IN.1/I945]
- CRANN
- KAUST
- Science Foundation Ireland (SFI) [07/IN.1/I945] Funding Source: Science Foundation Ireland (SFI)
We demonstrate the use of nonlocal scanning tunneling spectroscopic measurements to characterize the local structure of adspecies in their states where they are significantly less perturbed by the probe, which is accomplished by mapping the amplitude and phase of the scattered surface charge density. As an example, we study single-H-atom adsorption on the n-type Si(100)-(4 x 2) surface, and demonstrate the existence of two different configurations that are distinguishable using the nonlocal approach and successfully corroborated by density functional theory.
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