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Anna Tymoczko
Researcher at University of Duisburg-Essen
Publications - 9
Citations - 181
Anna Tymoczko is an academic researcher from University of Duisburg-Essen. The author has contributed to research in topics: Nanoparticle & Phase (matter). The author has an hindex of 4, co-authored 9 publications receiving 101 citations.
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Journal ArticleDOI
One-step synthesis of Fe–Au core–shell magnetic-plasmonic nanoparticles driven by interface energy minimization
Anna Tymoczko,Marius Kamp,Christoph Rehbock,Lorenz Kienle,Elti Cattaruzza,Stephan Barcikowski,Vincenzo Amendola +6 more
TL;DR: In this paper, the thermodynamic driving force to minimization of surface and interface energy is exploited to produce colloidal Fe-Au core-shell nanoparticles in one step and with a yield approaching 99.7% in mass.
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How the crystal structure and phase segregation of Au–Fe alloy nanoparticles are ruled by the molar fraction and size
Anna Tymoczko,Marius Kamp,Oleg Prymak,Christoph Rehbock,Jurij Jakobi,Ulrich Schürmann,Lorenz Kienle,Stephan Barcikowski +7 more
TL;DR: The experimental and theoretical findings explain how the prevalence of either a core-shell or a disordered solid solution structure is ruled by the target composition and the particle diameter and found metastable phases not predefined by the bulk phase diagram.
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Temperature-Dependent Ultrastructure Transformation of Au–Fe Nanoparticles Investigated by in Situ Scanning Transmission Electron Microscopy
Marius Kamp,Anna Tymoczko,Ulrich Schürmann,Jurij Jakobi,Christoph Rehbock,Klaus Rätzke,Stephan Barcikowski,Lorenz Kienle +7 more
TL;DR: In this paper, three-dimensional morphology changes of bimetallic nanoparticles (NPs) with nominal composition Au50Fe50 and Au20Fe80, generated by pulsed laser ablation in liquid, are monitored in situ and ex sit
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Limited Elemental Mixing in Nanoparticles Generated by Ultrashort Pulse Laser Ablation of AgCu Bilayer Thin Films in a Liquid Environment: Atomistic Modeling and Experiments
Cheng-Yu Shih,Chaobo Chen,Christoph Rehbock,Anna Tymoczko,Ulf Wiedwald,Marius Kamp,U. Schuermann,Lorenz Kienle,Stephan Barcikowski,Leonid V. Zhigilei +9 more
TL;DR: Pulsed laser ablation in liquids (PLAL) is a promising technique for the generation of colloidal alloy nanoparticles that are of high demand in a broad range of fields, including catalysis, additiv...
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Formation of Co–Au Core–Shell Nanoparticles with Thin Gold Shells and Soft Magnetic ε-Cobalt Cores Ruled by Thermodynamics and Kinetics
Jacob Johny,Jacob Johny,Marius Kamp,Oleg Prymak,Anna Tymoczko,Ulf Wiedwald,Christoph Rehbock,Ulrich Schürmann,Radian Popescu,Dagmar Gerthsen,Lorenz Kienle,Sadasivan Shaji,Stephan Barcikowski +12 more
TL;DR: Bimetallic core-shell nanoparticles (CSNPs), where a ferromagnetic core is surrounded by a noble-metal thin plasmonic shell (e.g., Au), are highly interesting for applications in biomedi...