Steffen Hirtle
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View article: Intertwined relaxation processes maintain athermal electron distribution in laser-excited dielectrics
Intertwined relaxation processes maintain athermal electron distribution in laser-excited dielectrics Open
We study the relaxation dynamics of laser-excited non-equilibrium electron distributions in the valence- and conduction band of a dielectric. We apply Boltzmann collision integrals to trace the influence of different scattering mechanisms …
View article: Laser‐Induced Creation of Antiferromagnetic 180‐Degree Domains in NiO/Pt Bilayers
Laser‐Induced Creation of Antiferromagnetic 180‐Degree Domains in NiO/Pt Bilayers Open
The antiferromagnetic order in heterostructures of NiO/Pt thin films can be modified by optical pulses. After the irradiation with laser light, the optically induced creation of antiferromagnetic domains can be observed by imaging the crea…
View article: Laser-induced Creation of antiferromagnetic 180-degree domains in NiO/Pt bilayers
Laser-induced Creation of antiferromagnetic 180-degree domains in NiO/Pt bilayers Open
We demonstrate how the antiferromagnetic order in heterostructures of NiO/Pt thin films can be modified by optical pulses. We irradiate our samples with laser light and identify an optically induced creation of antiferromagnetic domains by…
View article: Influence of an external electric field on the energy dissipation at the initial stage of laser ablation
Influence of an external electric field on the energy dissipation at the initial stage of laser ablation Open
A density-dependent two-temperature model is applied to describe laser excitation and the following relaxation processes of silicon in an external electric field. Two approaches on how to describe the effects of the external electric field…
View article: Magnetic-field assisted laser ablation of silicon
Magnetic-field assisted laser ablation of silicon Open
The manipulation of the quality of laser ablation of solids can be of crucial importance from fundamental and industrial perspectives. Here we have studied the effect of an external magnetic field on the micromaterial processing of silicon…