Search results for "Free-volume defects"

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Positron Annihilation Lifetime Spectroscopy Insight on Free Volume Conversion of Nanostructured MgAl2O4 Ceramics

2021

H.K. and A.I.P. are grateful for the support from the COST Action CA17126. H.K. was also supported by the Ministry of Education and Science of Ukraine (project for young researchers No. 0119U100435). In addition, I.K. and H.K. were also supported by the National Research Foundation of Ukraine via project 2020.02/0217, while the research of A.I.P. was funded by the Latvian research council via the Latvian National Research Program under the topic ?High-Energy Physics and Accelerator Technologies?, Agreement No: VPP-IZM-CERN-2020/1-0002. In addition, the research of A.I.P. has been supported by the Latvian-Ukrainian Grant LV-UA/2021/5. The Institute of Solid State Physics, University of Latvi…

010302 applied physicsPositron trappingGeneral Chemical EngineeringFree-volume defectsPositron annihilationpositron annihilationnanoporespositronium decay02 engineering and technologynanostructured ceramicsfree-volume defectsnanostructured ceramics; positron annihilation; positronium decay; positron trapping; free-volume defects; nanopores021001 nanoscience & nanotechnologyPositronium decay7. Clean energy01 natural sciencesNanoporesChemistry0103 physical sciences:NATURAL SCIENCES [Research Subject Categories]positron trappingGeneral Materials Science0210 nano-technologyNanostructured ceramicsQD1-999Nanomaterials
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Evolution of Free Volumes in Polycrystalline BaGa2O4 Ceramics Doped with Eu3+ Ions

2021

H.K. and Y.K. would like to thank A. Ingram for assistance in PAL experiments. The authors thank E.A. Kotomin and M. Brik for the many useful discussions. The research was (partly) performed in the Institute of Solid State Physics, University of Latvia ISSP UL. ISSP UL as the Center of Excellence is supported through the Framework Program for European universities Union Horizon 2020, H2020-WIDESPREAD-01–2016–2017-TeamingPhase2 under Grant Agreement No. 739508, CAMART2 project.

CeramicsGeneral Chemical EngineeringFree-volume defects02 engineering and technologydopingceramics01 natural sciencesInorganic ChemistryFragmentationfragmentation0103 physical sciencesceramics; doping; free-volume defects; positron annihilation; agglomeration; fragmentationDopingGeneral Materials Science010302 applied physicsagglomerationCrystallographyAgglomerationPositron annihilationpositron annihilationfree-volume defects021001 nanoscience & nanotechnologyCondensed Matter PhysicsQD901-999:NATURAL SCIENCES [Research Subject Categories]0210 nano-technologyCrystals
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