Ultrashort, MeV-scale laser-plasma positron source for positron annihilation lifetime spectroscopy [PDF]
Physical Review Accelerators and Beams, 2021 Submicron defects represent a well-known fundamental problem in manufacturing since they can significantly affect performance and lifetime of virtually any high-value component. Positron annihilation lifetime spectroscopy is arguably the only established
Thomas L. Audet +12 more
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Measurements of Defect Structures by Positron Annihilation Lifetime Spectroscopy of the Tellurite Glass 70TeO2-5XO-10P2O5-10ZnO-5PbF2 (X = Mg, Bi2, Ti) Doped with Ions of the Rare Earth Element Er3+ [PDF]
Nanoscale Research Letters, 2017 The objective of the study was the structural analysis of the 70TeO2-5XO-10P2O5-10ZnO-5PbF2 (X = Mg, Bi2, Ti) tellurite glasses doped with ions of the rare-earth elements Er3+, based on the PALS (positron annihilation lifetime spectroscopy) method of ...
K. Pach +4 more
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Relationship between the Microstructure and Performance of Graphene/Polyethylene Composites Investigated by Positron Annihilation Lifetime Spectroscopy [PDF]
Nanomaterials, 2021 The quantitative characterization of microstructure is most desirable for the establishment of structure-property relationships in polymer nanocomposites.
Xiaobing Han +6 more
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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
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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
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Positron-Annihilation Lifetime Spectroscopy using Electron Bremsstrahlung [PDF]
Journal of Physics: Conference Series, 2015 A new type of an intense source of positrons for materials research has been set up at the superconducting electron linear. The source employs hard X-rays from electron- bremsstrahlung production generating energetic electron-positron pairs inside the sample under investigation. CW-operation allows performing experiments with significantly reduced pile-
A. Wagner +7 more
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Advances in Materials, 2021 Thin films of crystalline and porous metal–organic frameworks (MOFs) have great potential in membranes, sensors, and microelectronic chips. While the morphology and crystallinity of MOF films can be evaluated using widely available techniques ...
Timothée Stassin +14 more
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Formation of Subsurface Zone Induced by Sliding Wear in Zirconium Studied by Positron Lifetime Spectroscopy [PDF]
Tribology letter, 2016 The zone below the surface in pure Zr exposed to dry sliding is the subject of studies using positron lifetime methods. New type of the defect depth profile is observed.
Jerzy Dryzek, Krzysztof Siemek
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ACS Nano, 2021 Bone is a hierarchical material primarily composed of collagen, water, and mineral that is organized into discrete molecular, nano-, micro-, and macroscale structural components. In contrast to the structural knowledge of the collagen and mineral domains,
Taeyong Ahn +6 more
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Tomographic Positron Annihilation Lifetime Spectroscopy [PDF]
Journal of Physics: Conference Series, 2014 Positron annihilation lifetime spectroscopy serves as a perfect tool for studies of open-volume defects in solid materials such as vacancies, vacancy agglomerates, and dislocations. Moreover, structures in porous media can be investigated ranging from 0.3 nm to 30 nm employing the variation of the Positronium lifetime with the pore size. While lifetime
A. Wagner +6 more
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