Peng Lu Lu, P., Collazo, R., Dalmau, R. F., Durkaya, G., Dietz, N., Raghothamachar, B., … Sitar, Z. (2009). Seeded growth of AlN bulk crystals in m- and c-orientation. JOURNAL OF CRYSTAL GROWTH, 312(1), 58–63. https://doi.org/10.1016/j.jcrysgro.2009.10.008 Lu, P., Collazo, R., Dalmau, R. F., Durkaya, G., Dietz, N., & Sitar, Z. (2008). Different optical absorption edges in AlN bulk crystals grown in m- and c-orientations. APPLIED PHYSICS LETTERS, 93(13). https://doi.org/10.1063/1.2996413 Lu, P., Edgar, J. H., Cao, C., Hohn, K., Dalmau, R., Schlesser, R., & Sitar, Z. (2008). Seeded growth of AlN on SiC substrates and defect characterization. JOURNAL OF CRYSTAL GROWTH, 310(10), 2464–2470. https://doi.org/10.1016/j.jcrysgro.2008.01.010