Single crystal growth of LuAlO3-Ti3+ and Al2O3-Ti3+ by the vertical Bridgman technique and their optical properties A.G. PETROSYAN, G.O. SHIRINYAN et K.L. OVENESYAN J. Phys. IV France, 04 C4 (1994) C4-459-C4-463 DOI: 10.1051/jp4:19944110