6 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…
Polyvinylpyrrolidone planarized liquid crystalline 1T-WS2/rGO hybrid nanocomposites-based humidity sensing platform
A. Vasilev, M. Zhezhu, S. Gyozalyan +7
Two-dimensional hybrid nanocomposites combining graphene-like materials and transition metal dichalcogenides (TMDCs) are created using various synthesis methods and are vital for e…
Enhancement of mechanical properties of graphene oxide fibers via liquid crystalline phase formation and flake size optimization
M. Zhezhu, G. Baghdasaryan, G. Gevorgyan +4
Graphene oxide (GO) fibers are promising materials for lightweight, high-strength applications due to their unique structural tunability and mechanical performance. However, the pr…
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…