It is known that not only physicists from Moscow, but also Greek scientists from the University of Crete were involved in the creation of technology. It should be noted that the work was carried out in the framework of the Russian-Greek cooperation in the field of quantum technologies. The corresponding contract was concluded in 2016 year. Cooperation is financed by both countries (the Russian Federation and Greece) and provides for the creation including the mentioned metamaterials.
For reference: metamaterials are artificially created materials. They have a heterogeneous internal structure, which allows the electromagnetic wave to be “lost” inside such a material. This may allow the use of metamaterials as a kind of “invisible cap” for modern combat vehicles. It is reported that metamaterials may be suitable for creating advanced computing and communication systems with photon principles, rather than electrical ones.
From the statement of the representative of NUST "MISIS", Associate Professor Alexei Basharin:
The experimental part of our research is a unique metamaterial created, which is a small flat lattice of so-called metamolecules cut by laser cutting from a single piece of ordinary steel. When a nonlinear semiconductor is added, the metamaterial will become a tunable screen for STELS technologies — a set of ways to reduce the radar visibility of combat vehicles in radio, infrared and other spectral regions.