Fano resonance in atomic-resolution spectroscopic imaging of solids

C. Dwyer; H. L. Xin; D. A. Muller

doi:10.1103/PhysRevB.86.094119

Fano resonance in atomic-resolution spectroscopic imaging of solids

C. Dwyer, H. L. Xin, D. A. Muller

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We report direct evidence of Fano resonances in atomic-resolution imaging of a crystalline material using a focused electron beam. Spectroscopic images of DyScO ₃ that are derived from the Fano resonance in the Dy-N _4,5 spectrum can exhibit unexpected atomic-scale contrast, markedly different from nonresonant images. These effects are explained by our theoretical calculations of the inelastic and elastic scattering, which show excellent agreement with the experimental data. The results have significant implications for spectroscopic imaging of rare-earth elements at the atomic scale.

Original language	English (US)
Article number	094119
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	86
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.86.094119
State	Published - Sep 28 2012
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.86.094119

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abstract = "We report direct evidence of Fano resonances in atomic-resolution imaging of a crystalline material using a focused electron beam. Spectroscopic images of DyScO 3 that are derived from the Fano resonance in the Dy-N 4,5 spectrum can exhibit unexpected atomic-scale contrast, markedly different from nonresonant images. These effects are explained by our theoretical calculations of the inelastic and elastic scattering, which show excellent agreement with the experimental data. The results have significant implications for spectroscopic imaging of rare-earth elements at the atomic scale.",

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AU - Muller, D. A.

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N2 - We report direct evidence of Fano resonances in atomic-resolution imaging of a crystalline material using a focused electron beam. Spectroscopic images of DyScO 3 that are derived from the Fano resonance in the Dy-N 4,5 spectrum can exhibit unexpected atomic-scale contrast, markedly different from nonresonant images. These effects are explained by our theoretical calculations of the inelastic and elastic scattering, which show excellent agreement with the experimental data. The results have significant implications for spectroscopic imaging of rare-earth elements at the atomic scale.

AB - We report direct evidence of Fano resonances in atomic-resolution imaging of a crystalline material using a focused electron beam. Spectroscopic images of DyScO 3 that are derived from the Fano resonance in the Dy-N 4,5 spectrum can exhibit unexpected atomic-scale contrast, markedly different from nonresonant images. These effects are explained by our theoretical calculations of the inelastic and elastic scattering, which show excellent agreement with the experimental data. The results have significant implications for spectroscopic imaging of rare-earth elements at the atomic scale.

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Fano resonance in atomic-resolution spectroscopic imaging of solids

Abstract

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