Model description of surface charging during ultra-fast pulsed laser ablation of materials

N. M. Bulgakova; R. Stoian; A. Rosenfeld; E. E.B. Campbell; I. V. Hertel

doi:10.1007/s00339-004-2692-0

Model description of surface charging during ultra-fast pulsed laser ablation of materials

N. M. Bulgakova, R. Stoian, A. Rosenfeld, E. E.B. Campbell, I. V. Hertel

Department of Physics

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

13 Scopus citations

Abstract

We present a model describing the dynamical mechanisms responsible for generating fast ion ejection under ultra-short pulsed laser irradiation. The model is based on a simplified drift-diffusion approach describing the evolution of the laser-generated charge carriers, their transport, and the electric field generated as a result of quasi-neutrality breaking in the irradiated target. The importance of different processes in generating the non-thermal material-ejection mechanisms is discussed. A common frame is applied to dielectrics, semiconductors, and metals and different dynamical behaviour is observed. The modelling results are in good agreement with fs pump-probe studies and measurements of the velocity distributions of the emitted ions.

Original language	English
Pages (from-to)	1153-1155
Number of pages	3
Journal	Applied Physics A: Materials Science and Processing
Volume	79
Issue number	4-6
DOIs	https://doi.org/10.1007/s00339-004-2692-0
State	Published - 2004

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title = "Model description of surface charging during ultra-fast pulsed laser ablation of materials",

abstract = "We present a model describing the dynamical mechanisms responsible for generating fast ion ejection under ultra-short pulsed laser irradiation. The model is based on a simplified drift-diffusion approach describing the evolution of the laser-generated charge carriers, their transport, and the electric field generated as a result of quasi-neutrality breaking in the irradiated target. The importance of different processes in generating the non-thermal material-ejection mechanisms is discussed. A common frame is applied to dielectrics, semiconductors, and metals and different dynamical behaviour is observed. The modelling results are in good agreement with fs pump-probe studies and measurements of the velocity distributions of the emitted ions.",

author = "Bulgakova, {N. M.} and R. Stoian and A. Rosenfeld and Campbell, {E. E.B.} and Hertel, {I. V.}",

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AU - Bulgakova, N. M.

AU - Stoian, R.

AU - Rosenfeld, A.

AU - Campbell, E. E.B.

AU - Hertel, I. V.

PY - 2004

Y1 - 2004

N2 - We present a model describing the dynamical mechanisms responsible for generating fast ion ejection under ultra-short pulsed laser irradiation. The model is based on a simplified drift-diffusion approach describing the evolution of the laser-generated charge carriers, their transport, and the electric field generated as a result of quasi-neutrality breaking in the irradiated target. The importance of different processes in generating the non-thermal material-ejection mechanisms is discussed. A common frame is applied to dielectrics, semiconductors, and metals and different dynamical behaviour is observed. The modelling results are in good agreement with fs pump-probe studies and measurements of the velocity distributions of the emitted ions.

AB - We present a model describing the dynamical mechanisms responsible for generating fast ion ejection under ultra-short pulsed laser irradiation. The model is based on a simplified drift-diffusion approach describing the evolution of the laser-generated charge carriers, their transport, and the electric field generated as a result of quasi-neutrality breaking in the irradiated target. The importance of different processes in generating the non-thermal material-ejection mechanisms is discussed. A common frame is applied to dielectrics, semiconductors, and metals and different dynamical behaviour is observed. The modelling results are in good agreement with fs pump-probe studies and measurements of the velocity distributions of the emitted ions.

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JO - Applied Physics A: Materials Science and Processing

JF - Applied Physics A: Materials Science and Processing

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Model description of surface charging during ultra-fast pulsed laser ablation of materials

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