Alexander Letzel
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View article: <i>In situ</i> speciation and spatial mapping of Zn products during pulsed laser ablation in liquids (PLAL) by combined synchrotron methods
<i>In situ</i> speciation and spatial mapping of Zn products during pulsed laser ablation in liquids (PLAL) by combined synchrotron methods Open
Material ejection in pulsed laser ablation in liquids is analysed by X-ray in situ methods to resolve particle formation and oxidation.
View article: Size evolution of laser-generated nanoparticles before and after cavitation bubble confinement
Size evolution of laser-generated nanoparticles before and after cavitation bubble confinement Open
Nanoparticle synthesis by pulsed laser ablation in liquids (PLAL) is a method to obtain particles with clean surfaces, free of any organic residuals. A drawback to this method is the particle size distribution, which exhibits an intrinsic …
View article: Time and Mechanism of Nanoparticle Functionalization by Macromolecular Ligands during Pulsed Laser Ablation in Liquids
Time and Mechanism of Nanoparticle Functionalization by Macromolecular Ligands during Pulsed Laser Ablation in Liquids Open
Laser ablation of gold in liquids with nanosecond laser pulses in aqueous solutions of inorganic electrolytes and macromolecular ligands for gold nanoparticle size quenching is probed inside the laser-induced cavitation bubble by in situ X…
View article: Early appearance of crystalline nanoparticles in pulsed laser ablation in liquids dynamics
Early appearance of crystalline nanoparticles in pulsed laser ablation in liquids dynamics Open
The size and crystallinity of gold and silver nanoparticles during pulsed laser ablation in water is investigated with microsecond and sub-microsecond time resolution.
View article: Scalable, large area compound array refractive lens for hard X-rays
Scalable, large area compound array refractive lens for hard X-rays Open
We demonstrate the fabrication of a 2D Compound Array Refractive Lens (CARL) for multi-contrast X-ray imaging. The CARL consists of six stacked polyimide foils with each displaying a 2D array of lenses with a 65 μm pitch aiming for a sensi…
View article: Two mechanisms of nanoparticle generation in picosecond laser ablation in liquids: the origin of the bimodal size distribution
Two mechanisms of nanoparticle generation in picosecond laser ablation in liquids: the origin of the bimodal size distribution Open
Novel mechanisms of nanoparticle generation in laser ablation in liquids are revealed in atomistic simulations and verified in experiments.