Blar i NTNU Open på forfatter "Konstantinou, Konstantinos"
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Density functional simulations of a conductive bridging random access memory cell: Ag filament formation in amorphous GeS2
Akola, Jaakko; Konstantinou, Konstantinos; Jones, R.O. (Peer reviewed; Journal article, 2022)Density functional/molecular dynamics simulations have been performed to shed light on the drift of Ag atoms in an amorphous Ge S 2 solid-state electrolyte between Ag and Pt electrodes in the presence of a finite ... -
Electric-field-induced annihilation of localized gap defect states in amorphous phase-change memory materials
Konstantinou, Konstantinos; Mocanu, Felix C.; Akola, Jaakko; Elliott, Stephen R. (Peer reviewed; Journal article, 2022)Structural relaxation of amorphous phase-change-memory materials has been attributed to defect-state annihilation from the band gap, leading to a time-dependent drift in the electrical resistance, which hinders the development ... -
Electron localization in recrystallized models of the Ge2Sb2Te5 phase-change memory material
Konstantinou, Konstantinos; Mocanu, Felix C.; Akola, Jaakko (Peer reviewed; Journal article, 2022)Understanding the relation between the structural disorder in the atomic geometry of the recrystallized state of phase-change memory materials and the localized states in the electronic structure is necessary not only for ... -
Inherent electron and hole trapping in amorphous phase-change memory materials: Ge<inf>2</inf>Sb<inf>2</inf>Te<inf>5</inf>
Konstantinou, Konstantinos; Elliott, Stephen R.; Akola, Jaakko (Peer reviewed; Journal article, 2022)While the amorphous state of a chalcogenide phase-change material is formed inside an electronic-memory device via Joule heating, caused by an applied voltage pulse, it is in the presence of excess field-induced electrons ... -
Three in One: Three Different Molybdates Trapped in a Thiacalix[4]arene Protected Ag<inf>72</inf> Nanocluster for Structural Transformation and Photothermal Conversion
Wang, Zhi; Zhu, Yan-Jie; Ahlstedt, Olli; Konstantinou, Konstantinos; Akola, Jaakko Eemeli; Tung, Chen-Ho; Alkan, Fahri; Sun, Di (Journal article; Peer reviewed, 2023)