The Acknowledgement was inadvertently omitted from the translation:

ACKNOWLEDGEMENT

These studies were conducted as part of the Federal Incentive Program “Research and Development in Fields that are a High Priority for the Growth of the Scientific-Industrial Complex in Russia during the Period 2014 – 2020.” The research was assigned the Lot No. 2014-14-576-0056 under the theme “Invention of a Highly Efficient Single-Stage Gas-Phase Technology for Synthesizing Nanosized Aluminum Nitride and an Experimental-Industrial Unit for Its Practical Use” (Application No. “2014-14-576-0056-070”). The unique identifier of the contract is RFMEF157514X0006. The research was performed with financial support provided to young scientists by the development program of FGAOU VPO “Ural'skii Federal'nyi Universitet” (Ural Federal University).