Browsing by Author "Klym, H."
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Item Defect-Related Effects in the Modified Chalcogenide Glasses Caused by Gamma-Irradiation(2017-05-29) Klym, H.; Shpotyuk, O.; Ingram, A.; Calvez, L.; Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine; Vlokh Institute of Physical Optics, 23 Dragomanov Str., 79005 Lviv, Ukraine; Jan Dlugosz University, 13/15 al. Armii Krajowej, Czestochowa 42201, Poland; Opole University of Technology, 75 Ozimska Str., Opole 45370, Poland; Equipe Verres et Céramiques, UMR-CNRS 6226, Institute des Sciences chimiques de Rennes; Université de Rennes 1, 35042 Rennes Cedex, FranceItem Effects of Physical- and Chemical-AdsorbedWater near Grain Boundaries in ModifiedMgO-Al2O3 Nanoceramics Tested with Positron-Positronium Trapping Algorithm(2017-05-29) Klym, H.; Ingram, A.; Shpotyuk, O.; Hadzaman, I.; Chalyy, D.; Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine; Opole University of Technology, 75 Ozimska Str., 45370 Opole, Poland; Vlokh Institute of Physical Optics, 23 Dragomanov Str., 79005 Lviv, Ukraine; Jan Dlugosz University, 13/15 al. Armii Krajowej, 42201 Czestochowa, Poland; Drohobych Ivan Franko State Pedagogical University; I. Franko Str., 82100 Drohobych, Ukraine; Lviv State University of Life Safety, 35 Kleparivska Str.; Lviv, UkraineItem Integrated thick-film p-i-p+ structures based on spinel ceramics(Видавництво Львівської політехніки, 2012) Klym, H.; Hadzaman, I.; Shpotyuk, O.; Fu, Q.; Luo, W.; Deng, J.Multilayered temperature/humidity sensitive thick-film p-i-p+ structures based on spinel-type semiconducting ceramics of different chemical composition Cu0.1Ni0.1Co1.6Mn1.2O4 (with p+-type of electrical conductivity), Cu0.1Ni0.8Co0.2Mn1.9O4 (with p-type of electrical conductivity) and magnesium aluminate i-type MgAl2O4 ceramics were fabricated and investigated. These structures are shown to be successfully applied for integrated environmental sensors.Item Sintering-modified oxymanganospinel ceramics for NTC thermistor application(Видавництво Львівської політехніки, 2012) Hadzaman, I.; Klym, H.; Shpotyuk, O.; Brunner, M.; Balitska, V.Mixed Ni-Co-Cu oxymanganospinels of Cu0.1Ni0.8Co0.2Mn1.9O4 chemical composition are first developed for possible application as high-precise NTC thermistors using nanophase segregation effects controlled by sintering technological route. It is shown that rack-salt NiO phase in these ceramics occurs a decisive role on parasitic degradation caused by thermal storage of the ceramics at the elevated temperatures.Item Temperature sensitive spinel-type ceramics in thick-film multilayer performance for environment sensors(Видавництво національного університету „Львівська політехніка”, 2009) Hadzaman, I.; Klym, H.; Shpotyuk, O.; Brunner, M.