@article{37eba3a1a4b14532b249ac543b4a6e59,
title = "Influence of dopants and substrate material on the formation of Ga vacancies in epitaxial GaN layers",
keywords = "Ga vacancy, GaN, positron annihilation, Ga vacancy, GaN, positron annihilation, Ga vacancy, GaN, positron annihilation",
author = "J. Oila and V. Ranki and J. Kivioja and K. Saarinen and P. Hautoj{\"a}rvi and J. Likonen and J.M. Baranowski and K. Pakula and M. Leszczynski and I. Grzegory",
year = "2001",
language = "English",
volume = "63",
journal = "Physical Review B",
issn = "2469-9969",
publisher = "American Physical Society",
}