Formula LaAlO3
Crystal Growth
Growth Method Czochralski
Growth Direction [100]
Max. Diameter (inch) Ø3“
Crystallographic Properties
Crystal Structure and Lattice Parameters (nm) pseudocubic
rhombohedral @25 °C α = 90.096°
cubic >435 °C a = 0.37896
Twin structure twins parallel (100) in pseudocubic cell
Physical Properties
Color colorless to light brown
Density (g/cm3) 6.51
Melting Point (K) 2453
Thermal Expansion (10-6K-1) 9.2
Dielectric Constant 24.5
Loss Tangent (@ 77K, 10GHz) 6 x 10-5
Hardness (Mohs) 5-5.6