5 papers
Laser induced optical reconfiguration in Ge_Sb_Te Films with composition dependent response
M. Zhezhu, A. Vasilev, M. Sukiasyan +5
Phase change Ge_Sb_Te (GST) materials exhibit pronounced optical contrast and tunability driven by structural transformations, enabling a diverse range of photonic and optoelectron…
Effect of Pb doping on the crystallization process and thermoelectric properties of Ge2Sb2Te5 phase change material
M. Zhezhu, A. Vasil'ev, M. Yaprintsev +3
Phase change materials based on Ge-Sb-Te alloys are widely explored for their potential in both memory devices and thermoelectric applications. In this study, films of Ge2Sb2Te5 (G…
Revisiting THz absorption in GO and rGO liquid crystalline films
A. Vasilev, M. Zhezhu, H. Parsamyan +4
With a swift progress in modern high-throughput communication systems, security, sensing and medicine utilizing THz range technologies, the demand for easy-to-fabricate, lightweigh…
L-Cysteine Polymorph Coatings for THz Sensing Metasurfaces
M. Zhezhu, A. Vasilev, H. Parsamyan +5
The electromagnetic response of metasurfaces can be intentionally engineered by carefully designing their unit cells. Narrowband metasurfaces, characterized by high quality factors…
Chemical vapor deposition synthesis of (GeTe)n(Sb2Te3) gradient crystalline films as promising planar heterostructures
M. Zhezhu, A. Vasil'ev, M. Yapryntsev +3
Phase-change materials of the (GeTe)n (Sb2Te3) (GST) system are of high relevance in memory storage and energy conversion applications due to their fast-switching speed, high data…