Funding for this research was provided by:
National Research Center "Kurchatov Institute" (Activity calendar)
Russian Foundation for Basic Research (17-29-04100)
Ministry of Science and Higher Education (State assignment FSRC «Crystallography, Photonics» RAS)
Received: 25 February 2019
Accepted: 18 October 2019
First Online: 2 November 2019
: The authors declare that they have no competing interests.