Formation of ohmic contacts to n(p)-gan and measurement of their contact resistivity - M. S. Boltovets; V. M. Ivanov; R. V. Konakova; Ya. Ya. Kudryk; V. V. Milenin; V. V. Shynkarenko; V. M. Sheremet; Yu. N. Sveshnikov; B. S. Yavich (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2010)