Positron annihilation lifetime spectroscopy in application to nanostructured glasses and ceramics

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dc.citation.conference7th International youth science forum «Litteris et Artibus»
dc.citation.epage431
dc.citation.journalTitleLitteris et Artibus : матеріали
dc.citation.spage430
dc.contributor.affiliationLviv Polytechnic National University
dc.contributor.authorKlym, Halyna
dc.contributor.authorKostiv, Yuriy
dc.coverage.placenameЛьвів
dc.coverage.placenameLviv
dc.coverage.temporal23–25 листопада 2017 року
dc.coverage.temporal23–25 November, 2017
dc.date.accessioned2018-04-12T13:05:59Z
dc.date.available2018-04-12T13:05:59Z
dc.date.created2017-12-23
dc.date.issued2017-12-23
dc.description.abstractModified nanostructured Ge-Ga-Se chalcogenide glasses and oxide MgO-Al2O3 ceramics were investigated using positron annihilation lifetime spectroscopy. It was shown that crystallization process in 80GeSe2-20Ga2Se3 glasses annealed at 380°C for 25 and 50 h indicates specific free-volume transformation. It is established that water vapor modifies defects located near grain boundaries in MgO-Al2O3 ceramics sintered at 1300 °C, the process being accompanied by void fragmentation at water adsorption with further void agglomeration at water desorption after drying.
dc.format.extent430-431
dc.format.pages2
dc.identifier.citationKlym H. Positron annihilation lifetime spectroscopy in application to nanostructured glasses and ceramics / Halyna Klym, Yuriy Kostiv // Litteris et Artibus : proceedings, 23–25 November, 2017. — Lviv : Lviv Polytechnic Publishing House, 2017. — P. 430–431. — (9th International academic conference «Computer science & engineering 2017» (CSE-2017)).
dc.identifier.citationenKlym H. Positron annihilation lifetime spectroscopy in application to nanostructured glasses and ceramics / Halyna Klym, Yuriy Kostiv // Litteris et Artibus : proceedings, 23–25 November, 2017. — Lviv : Lviv Polytechnic Publishing House, 2017. — P. 430–431. — (9th International academic conference «Computer science & engineering 2017» (CSE-2017)).
dc.identifier.isbn978-966-941-108-2
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/40453
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Polytechnic Publishing House
dc.relation.ispartofLitteris et Artibus : матеріали, 2017
dc.relation.ispartofLitteris et Artibus : proceedings, 2017
dc.relation.references[1] R. Krause-Rehberg, H.S. Heipner, “Positron annihilation in semiconductors. Defect studies”, Springer-Verlag, Berlin-Heidelberg-New York, pp.378, 1999.
dc.relation.references[2] H. Klym, A. Ingram, O. Shpotyuk, I. Hadzaman, V. Solntsev, “Water-vapor sorption processes in nanoporous MgO-Al2O3 ceramics: the PAL spectroscopy study”, Nanoscale research letters, vol. 11:133,pp. 1-7, 2016.
dc.relation.references[3] J. Kansy, “Microcomputer program for analysis of positron annihilation lifetime spectra”, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 374(2), pp. 235-244,1996.
dc.relation.references[4] H. Klym, A. Ingram, “Unified model of multichannel positron annihilation in nanoporous magnesium aluminate ceramics”, Journal of Physics: Conference Series, vol. 79(1), pp. 012014, 2007.
dc.relation.references[5] D.M. Bigg, “A review of positron annihilation lifetime spectroscopy as applied to the physical aging of polymers”, Polymer Engineering & Science, vol. 36(6), pp. 737-743, 1996.
dc.relation.referencesen[1] R. Krause-Rehberg, H.S. Heipner, "Positron annihilation in semiconductors. Defect studies", Springer-Verlag, Berlin-Heidelberg-New York, pp.378, 1999.
dc.relation.referencesen[2] H. Klym, A. Ingram, O. Shpotyuk, I. Hadzaman, V. Solntsev, "Water-vapor sorption processes in nanoporous MgO-Al2O3 ceramics: the PAL spectroscopy study", Nanoscale research letters, vol. 11:133,pp. 1-7, 2016.
dc.relation.referencesen[3] J. Kansy, "Microcomputer program for analysis of positron annihilation lifetime spectra", Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 374(2), pp. 235-244,1996.
dc.relation.referencesen[4] H. Klym, A. Ingram, "Unified model of multichannel positron annihilation in nanoporous magnesium aluminate ceramics", Journal of Physics: Conference Series, vol. 79(1), pp. 012014, 2007.
dc.relation.referencesen[5] D.M. Bigg, "A review of positron annihilation lifetime spectroscopy as applied to the physical aging of polymers", Polymer Engineering & Science, vol. 36(6), pp. 737-743, 1996.
dc.rights.holder© Національний університет “Львівська політехніка”, 2017
dc.subjectceramics
dc.subjectglass
dc.subjectpositron annihilation
dc.subjectmodification
dc.subjectfree volume
dc.subjectnanovoids
dc.titlePositron annihilation lifetime spectroscopy in application to nanostructured glasses and ceramics
dc.typeConference Abstract

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