Search Results - "Siegel, Jan"
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Femtosecond x-ray diffraction reveals a liquid-liquid phase transition in phase-change materials
Published in Science (American Association for the Advancement of Science) (14-06-2019)“…In phase-change memory devices, a material is cycled between glassy and crystalline states. The highly temperature-dependent kinetics of its crystallization…”
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2
Coherent scatter-controlled phase-change grating structures in silicon using femtosecond laser pulses
Published in Scientific reports (04-07-2017)“…Periodic structures of alternating amorphous-crystalline fringes have been fabricated in silicon using repetitive femtosecond laser exposure (800 nm wavelength…”
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3
Surface Plasmon Polaritons on Rough Metal Surfaces: Role in the Formation of Laser-Induced Periodic Surface Structures
Published in ACS omega (30-04-2019)“…The formation of self-organized laser-induced periodic surface structures (LIPSS) in metals, semiconductors, and dielectrics upon pulsed laser irradiation is a…”
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4
Femtosecond laser induced thermophoretic writing of waveguides in silicate glass
Published in Scientific reports (16-04-2021)“…Here in, the fs-laser induced thermophoretic writing of microstructures in ad-hoc compositionally designed silicate glasses and their application as infrared…”
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5
Influence of Heat Accumulation on Morphology Debris Deposition and Wetting of LIPSS on Steel upon High Repetition Rate Femtosecond Pulses Irradiation
Published in Materials (25-10-2022)“…The fabrication of laser-induced periodic surface structures (LIPSS) over extended areas at high processing speeds requires the use of high repetition rate…”
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6
Nanofabrication of Tailored Surface Structures in Dielectrics Using Temporally Shaped Femtosecond-Laser Pulses
Published in ACS applied materials & interfaces (01-04-2015)“…We have investigated the use of tightly focused, temporally shaped femtosecond (fs)-laser pulses for producing nanostructures in two dielectric materials…”
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7
The Role of the Laser-Induced Oxide Layer in the Formation of Laser-Induced Periodic Surface Structures
Published in Nanomaterials (Basel, Switzerland) (14-01-2020)“…Laser-induced periodic surface structures (LIPSS) are often present when processing solid targets with linearly polarized ultrashort laser pulses. The…”
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Biomimetic surface structures in steel fabricated with femtosecond laser pulses: influence of laser rescanning on morphology and wettability
Published in Beilstein journal of nanotechnology (2018)“…The replication of complex structures found in nature represents an enormous challenge even for advanced fabrication techniques, such as laser processing. For…”
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Author Correction: Coherent scatter-controlled phase-change grating structures in silicon using femtosecond laser pulses
Published in Scientific reports (12-04-2018)“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper…”
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10
Mechanisms driving self-organization phenomena in random plasmonic metasurfaces under multipulse femtosecond laser exposure: a multitime scale study
Published in Nanophotonics (Berlin, Germany) (18-03-2022)“…Laser-induced transformations of plasmonic metasurfaces pave the way for controlling their anisotropic optical response with a micrometric resolution over…”
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11
Preferential Growth of ZnO Micro- and Nanostructure Assemblies on Fs-Laser-Induced Periodic Structures
Published in Nanomaterials (Basel, Switzerland) (11-04-2020)“…In this work, we demonstrate the use of laser-induced periodic surface structures (LIPSS) as templates for the selective growth of ordered micro- and…”
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12
Femtosecond-resolved ablation dynamics of Si in the near field of a small dielectric particle
Published in Beilstein journal of nanotechnology (04-09-2013)“…In this work we analyze the ablation dynamics of crystalline Si in the intense near field generated by a small dielectric particle located at the material…”
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13
Dynamics of phase transformations in Si and Ge upon strong excitation with UV femtosecond laser pulses
Published in Applied surface science (01-09-2024)“…[Display omitted] •Irradiation of crystalline Si and Ge with single 400 nm, 100 fs laser pulses.•fs-resolved optical microscopy over a wide temporal window, up…”
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14
Controlling the Wettability of Steel Surfaces Processed with Femtosecond Laser Pulses
Published in ACS applied materials & interfaces (24-10-2018)“…The wettability of a material surface is an essential property that can define the range of applications it can be used for. In the particular case of steel,…”
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15
Key stages of material expansion in dielectrics upon femtosecond laser ablation revealed by double-color illumination time-resolved microscopy
Published in Applied physics. A, Materials science & processing (01-03-2018)“…The physical origin of material removal in dielectrics upon femtosecond laser pulse irradiation (800 nm, 120 fs pulse duration) has been investigated at…”
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16
Versatile femtosecond laser interference patterning applied to high-precision nanostructuring of silicon
Published in Optics and laser technology (01-12-2024)“…•novel fs laser nanostructuring configuration based on a commercial Ti:Sa fs laser.•fabrication of gratings and spot arrays with tunable periods down to…”
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17
Melt front propagation in dielectrics upon femtosecond laser irradiation: Formation dynamics of a heat-affected layer
Published in Applied physics letters (25-04-2016)“…Several studies in dielectrics have reported the presence of a thin heat-affected layer underneath the ablation crater produced by femtosecond laser…”
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18
Laser‐Empowered Random Metasurfaces for White Light Printed Image Multiplexing
Published in Advanced functional materials (01-05-2021)“…Printed image multiplexing based on the design of metasurfaces has attracted much interest in the past decade. Optical switching between different images…”
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19
Ultrafast Moving-Spot Microscopy: Birth and Growth of Laser-Induced Periodic Surface Structures
Published in ACS photonics (19-10-2016)“…Laser-induced periodic surface structures (LIPSS) are a universal phenomenon observed in all classes of solid materials, giving rise to a variety of…”
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20
Three-Dimensional Self-Organization in Nanocomposite Layered Systems by Ultrafast Laser Pulses
Published in ACS nano (23-05-2017)“…Controlling plasmonic systems with nanometer resolution in transparent films and their colors over large nonplanar areas is a key issue for spreading their use…”
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