https://oldena.lpnu.ua/handle/ntb/40453| Title: | Positron annihilation lifetime spectroscopy in application to nanostructured glasses and ceramics |
| Authors: | Klym, Halyna Kostiv, Yuriy |
| Affiliation: | Lviv Polytechnic National University |
| Bibliographic description (Ukraine): | Klym 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)). |
| Bibliographic description (International): | Klym 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)). |
| Is part of: | Litteris et Artibus : матеріали, 2017 Litteris et Artibus : proceedings, 2017 |
| Conference/Event: | 7th International youth science forum «Litteris et Artibus» |
| Journal/Collection: | Litteris et Artibus : матеріали |
| Issue Date: | 23-Dec-2017 |
| Publisher: | Видавництво Львівської політехніки Lviv Polytechnic Publishing House |
| Place of the edition/event: | Львів Lviv |
| Temporal Coverage: | 23–25 листопада 2017 року 23–25 November, 2017 |
| Keywords: | ceramics glass positron annihilation modification free volume nanovoids |
| Number of pages: | 2 |
| Page range: | 430-431 |
| Start page: | 430 |
| End page: | 431 |
| Abstract: | Modified 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. |
| URI: | https://ena.lpnu.ua/handle/ntb/40453 |
| ISBN: | 978-966-941-108-2 |
| Copyright owner: | © Національний університет “Львівська політехніка”, 2017 |
| References (Ukraine): | [1] R. Krause-Rehberg, H.S. Heipner, “Positron annihilation in semiconductors. Defect studies”, Springer-Verlag, Berlin-Heidelberg-New York, pp.378, 1999. [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. [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. [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. [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. |
| References (International): | [1] R. Krause-Rehberg, H.S. Heipner, "Positron annihilation in semiconductors. Defect studies", Springer-Verlag, Berlin-Heidelberg-New York, pp.378, 1999. [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. [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. [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. [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. |
| Content type: | Conference Abstract |
| Appears in Collections: | Litteris et Artibus. – 2017 р. |
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2017_Klym_H-Positron_annihilation_lifetime_430-431.pdf | 191.62 kB | Adobe PDF | View/Open | |
| 2017_Klym_H-Positron_annihilation_lifetime_430-431__COVER.png | 1.54 MB | image/png | View/Open |
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