Gregor Klinser
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View article: In situ monitoring of artificial aging and solution heat treatment of a commercial Al–Mg–Si alloy with a high intensity positron beam
In situ monitoring of artificial aging and solution heat treatment of a commercial Al–Mg–Si alloy with a high intensity positron beam Open
Microstructural changes of a commercial Al–Mg–Si alloy were studied during artificial aging by in situ Doppler broadening spectroscopy using a high-intensity positron beam. The in situ positron annihilation characteristics at high temperat…
View article: Magneto‐Ionic Switching of Superparamagnetism
Magneto‐Ionic Switching of Superparamagnetism Open
Electrochemical reactions represent a promising approach to control magnetization via electric fields. Favorable reaction kinetics have made nanoporous materials particularly interesting for magnetic tuning experiments. A fully reversible …
View article: Redox processes in sodium vanadium phosphate cathodes – insights from <i>operando</i> magnetometry
Redox processes in sodium vanadium phosphate cathodes – insights from <i>operando</i> magnetometry Open
Oxidation processes and electrode–electrolyte interphase formation upon battery cycling have been revealed by operando magnetic susceptibility measurements.
View article: Identification of different positron trapping sites during artificial aging of a commercial light weight alloy
Identification of different positron trapping sites during artificial aging of a commercial light weight alloy Open
Despite the great relevance of age hardenable light weight alloys, the underlying precipitate formation, especially the initial clustering stages are not fully understood yet. In a previous study, we could identify and analyze three main s…
View article: Diffusion-reaction model for positron trapping and annihilation at spherical extended defects and in precipitate-matrix composites
Diffusion-reaction model for positron trapping and annihilation at spherical extended defects and in precipitate-matrix composites Open
The exact solution of a diffusion$-$reaction model for the trapping and annihilation of positrons in small extended spherical defects (clusters, voids, small precipitates) with competitive rate-limited trapping in vacancy-type point defect…
View article: Precipitation processes in Al–Mg–Si extending down to initial clustering revealed by the complementary techniques of positron lifetime spectroscopy and dilatometry
Precipitation processes in Al–Mg–Si extending down to initial clustering revealed by the complementary techniques of positron lifetime spectroscopy and dilatometry Open
The design of specific material properties of aluminum alloys demands for a detailed understanding of clustering and precipitation processes occurring during heat treatments. Positron lifetime spectroscopy in combination with high-precisio…
View article: Erratum to: “Lifetime of Positrons in Nanostructured Nonstoichiometric Silver Sulfide Ag2–δS”
Erratum to: “Lifetime of Positrons in Nanostructured Nonstoichiometric Silver Sulfide Ag2–δS” Open
Page 5, Table 1, row 2 should read: *2 − − − 3.60 ± 0.12 230 ± 10 175 ± 10 219 ± 5 69 ± 6 330 ± 12 31 ± 6 Page 5, left column, last paragraph should read: The lifetime of positrons in silver sulfide samples with different average sizes of …