X-ray spectroscopy studies of the electronic structure and band-structure calculations of cubic TaCxN1-x carbonitrides

The authors thank Prof. V.B. Shipilo and Dr E.M. Gololobov (Institute of Solid State Physics and Semiconductors, National Academy of Sciences of Belarus, Minsk, Belarus Republuc) and Dr. V.A. Kolyagin (Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russian Federation) for synthesis of the test TaCxN~1−x samples.