TY JOUR TI Investigation of AuNi/n-n+-GaN crystals of Schottky diodes by atomic force microscopy KW gallium nitride KW Schottky barrier KW ohmic contact KW work function KW surface KW KPFM KW peripheral electric field JO Infocommunications and Radio Technologies AU Torkhov, N.A. AU Novikov, V.. PY 2019 IS 2 PB Federal State Educational Institution of Higher Education Sevastopol State University