The positron lifetime spectra of several Al93.3-xFe4.3V0.7Si1.7Mmx (x = 0.5%, 1.0%, 3.0%, atom fraction) alloys with different content of misch metal prepared b
Hexagonal GaN films were prepared by nitriding Ga2O3 films with flowing ammonia. Ga2O3 films were deposited on Ga-diffused Si (111) substrates by radio frequenc