Negative ion formation by neutral hydrogen atom grazing scattering from a LiF(100) surface

We use a dielectric response theory to describe electrodynamic forces on a charged particle moving parallel to a supported two-dimensional layer. Using a Kramers–Kronig relation, we show that the image force on the particle can be expressed in terms of the energy loss function of the target materials. This enables us to analyze the stopping and the image forces on the particle on equal footing in the frequency–momentum domain encompassing all the energy loss channels in the target. Using the example of a graphene layer on a silicon carbide substrate, we show that both the image and stopping forces can be decomposed into contributions coming from two modes arising from hybridization of the sheet plasmon in doped graphene and a transverse optical phonon in the substrate.

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On the role of the energy loss function in the image force on a charge moving over supported graphene

Preciado-Rivas

Moshayedi

Mišković

2021

Journal of Applied Physics

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Negative-ion formation by H0/H– projectiles grazing scattering from the MgO(100) surface

et al. 2021

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Stopping and image forces on a charged particle moving parallel to an anisotropic two-dimensional material

2022

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Negative ion formation by neutral hydrogen atom grazing scattering from a LiF(100) surface

Abstract: H− conversion during H0 grazing scattering on a LiF(100) surface, includes H− affinity electron loss to a surface image state.

Cited by 3 publications

References 56 publications

On the role of the energy loss function in the image force on a charge moving over supported graphene

On the role of the energy loss function in the image force on a charge moving over supported graphene

Negative-ion formation by H0/H– projectiles grazing scattering from the MgO(100) surface

Stopping and image forces on a charged particle moving parallel to an anisotropic two-dimensional material

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