D.S. Sofronov (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
E.M. Sofronova (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
N.O. Kovalenko (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
V.V. Starikov (National Technical University KhPI, Frunze Street 21, Kharkov, 61002, Ukraine, Ukraine)
A.S. Gerasimenko (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
V.N. Baumer (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
A.M. Lebedinsky (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
P.V. Matejchenko (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
E.V. Grishina (SSI STC Institute for Single Crystals, National Academy of Sciences of the Ukraine, Lenina Ave 60, Kharkov, 61001, Ukraine, Ukraine)
S.N. Lavrynenko (National Technical University KhPI, Frunze Street 21, Kharkov, 61002, Ukraine, Ukraine)
A.G. Mamalis (Project Centre for Nanotechnology and Advanced Engineering, NCSR Demokritos, Athens, Greece, Greece)
