Inelastic scattering of middle-energy electrons by solid surfaces

Михайлов, Г. М.; Rubtsov, V. I.; Orlov, S. A.

doi:10.1016/0042-207x(90)94066-y

Vacuum

1990

DOI: 10.1016/0042-207x(90)94066-y

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Inelastic scattering of middle-energy electrons by solid surfaces

Г. М. Михайлов

V. I. Rubtsov

S. A. Orlov

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Cited by 2 publications

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“…However, none of the above techniques are specially designed for probing a wide range of excitation energy (1-50 eV). Therefore, developing a specific tool, such as middle-energy electron energy loss spectroscopy (EELS) with a reasonable incident energy of electron beam (such as 200-2000 eV) to characterize the emergent excitations, is very essential to furnish present techniques [17].…”

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confidence: 99%

Probing emergent excitations with middle-energy electron energy loss spectroscopy

Pei

Liu

Wen

et al. 2020

EPL

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Superconducting films and low-dimensional structures PACS 73.20.Mf -Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) PACS 73.43.Fj -Novel experimental methods; measurements Abstract -Probing the emergent excitations in a range of 1-50 eV is fundamentally important to understand a variety of emergent phenomena in quantum materials, however, the characterization techniques of which are very limited at present. Here, we take high-temperature superconducting YBa2Cu3O 7−δ films (TC ∼ 90 K) as an archetype to demonstrate the powerful capabilities of middle-energy electron energy loss spectroscopy (EELS) in determining the emergent excitations. Three dominative features (2.9, 12.9, and 25 eV) are observed in the EELS spectra, one of which is a newly observed peak near 2.9 eV resulting from excitations between the Zhang-Rice state and the upper Hubbard band. Moreover, incident energy-dependent EELS spectra indicate that the signals of these three features are strongly dependent on the energy of incident electrons. Our work provides a route to probe emergent excitations in the energy range 1-50 eV with utilizing high-resolution two-dimensional energy and momentum mapping.

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confidence: 99%

Probing emergent excitations with middle-energy electron energy loss spectroscopy

Pei

Liu

Wen

et al. 2020

EPL

View full text Add to dashboard Cite

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Investigation of the effects of pretreatment on the interaction between a GaAs(100) surface and an oxygen (ECR) plasma

Михайлов

Khudobin

Malikov

1995

Vacuum

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Inelastic scattering of middle-energy electrons by solid surfaces

Cited by 2 publications

References 9 publications

Probing emergent excitations with middle-energy electron energy loss spectroscopy

Probing emergent excitations with middle-energy electron energy loss spectroscopy

Investigation of the effects of pretreatment on the interaction between a GaAs(100) surface and an oxygen (ECR) plasma

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