*
Corresponding authors
a
Department of Materials Science, Lomonosov Moscow State University, Moscow, Russia
b
Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
E-mail:
trusov@inorg.chem.msu.ru
c
Department of Materials Science, MSU-BIT University, Shenzhen, Guangdong Province, P. R. China
d
Laboratory of Terahertz Spectroscopy, Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Moscow Region, Russia
e
Kurnakov Institute of General and Inorganic Chemistry RAS, Moscow, Russia
f
Bernal Institute, University of Limerick, Limerick, Ireland
g
Department of Physics, Lomonosov Moscow State University, Moscow, Russia
h
Diamond Light Source Ltd., Harwell Science and Innovation Campus, Didcot, Oxfordshire, UK