Positron Annihilation Spectroscopy Complex for Structural Defect Analysis in Metal-Hydrogen Systems. [PDF]
Materials (Basel), 2022 The current work is devoted to developing a system for the complex research of metal–hydrogen systems, including in an in situ mode. The system consists of a controlled gas reactor with a unique reaction chamber, a radioisotope positron source, and a ...
Bordulev I +7 more
europepmc +4 more sources
Positron Annihilation Spectroscopy Study on Annealing Effect of CuO Nanoparticles [PDF]
Materials Research, 2016 The microstructure and defects of CuO nanoparticles under isochronal annealing were investigated by positron annihilation spectroscopy (PAS), X-ray diffraction (XRD) and scanning electron microscope (SEM).
Jianjian Shi +4 more
doaj +4 more sources
Application of Positron Annihilation Spectroscopy in Accelerator-Based Irradiation Experiments. [PDF]
Materials (Basel), 2021 Positron annihilation spectroscopy (PAS) is widely recognized as a powerful characterization technique in all types of radiation damage studies in nuclear materials.
Krsjak V +7 more
europepmc +2 more sources
Nanomaterials, 2021 Herein we demonstrate the specifics of using the positron annihilation lifetime spectroscopy (PALS) method for the study of free volume changes in functional ceramic materials.
Halyna Klym +3 more
doaj +2 more sources
Positron Annihilation Spectroscopy Study of Carbon-Vacancy Interaction in Low-Temperature Bainite. [PDF]
Sci Rep, 2020 Nano-scale investigations of bainitic structures formed at temperatures below 350 °C have shown that the bainitic ferrite lattice is super-saturated in carbon.
Rementeria R +4 more
europepmc +2 more sources
Gradient Microstructure Induced by Surface Mechanical Attrition Treatment (SMAT) in Magnesium Studied Using Positron Annihilation Spectroscopy and Complementary Methods. [PDF]
Materials (Basel), 2020 Surface mechanical attrition treatment (SMAT) was used to generate a gradient microstructure in commercial grade magnesium. Positron annihilation lifetime spectroscopy and variable energy positron beam measurements, as well as microhardness tests ...
Skowron K +8 more
europepmc +2 more sources
Radiation Damage of Reactor Pressure Vessel Steels Studied by Positron Annihilation Spectroscopy—A Review [PDF]
Metals, 2020 Safe and long term operation of nuclear reactors is one of the most discussed challenges in nuclear power engineering. The radiation degradation of nuclear design materials limits the operational lifetime of all nuclear installations or at least ...
Vladimı́r Slugeň +5 more
openalex +2 more sources
Probing the Free Volume in Polymers by Means of Positron Annihilation Lifetime Spectroscopy [PDF]
Polymers, 2023 Positron annihilation lifetime spectroscopy (PALS) is a valuable technique to investigate defects in solids, such as vacancy clusters and grain boundaries in metals and alloys, as well as lattice imperfections in semiconductors.
Giovanni Consolati +2 more
openalex +2 more sources
Integrated anti-electronics for positron annihilation spectroscopy [PDF]
Scientific ReportsImaging the features of a sample using Positron Annihilation Spectroscopy (PAS) is currently achieved by rastering, i.e. by scanning the sample surface with a sharply focused positron beam.
Francesco Guatieri
doaj +2 more sources
Single-shot positron annihilation lifetime spectroscopy using a liquid scintillator
AIP Advances, 2021 Liquid scintillators provide a fast, single component response. However, they traditionally have a low flashpoint and high vapor pressure. We demonstrate the use of an EJ-309 scintillator (high flashpoint and low vapor pressure variant) to acquire single-
Joshua R. Machacek +2 more
doaj +2 more sources