Neodymium Gallat Substrate

Materials properties
Structure formula: NdGaO3
State: monocrystalline
Crystal structure:


Perowskite cell

a = 5.426 Å
b = 5.496 Å
c = 7.707 Åa,c = 3.863 Å
b = 3.854 Å
Phase transition: No (RT to 1300°C)
Density: 7.57 g/cm3
Melting point: 1600°C
Coefficient of expansion: 11 * 10-6/°C
Substrate properties
Production method: Czochralski grown
Orientation: (110)  
Orientation accuracy: £ 0.5°
Standard size: 10mm x 10mm x thickness 1mm or 0.5mm
Tolerance of length: ± 0.10mm
Tolerance of thickness: ± 0.05mm
Parallelness: £ 0.02
Polishing: standard: one side
Flatness: ¼
Roughness of surface: Rmax £ 3nm (average Ra=1nm)
Scratches: None
Surface quality: with light microscope without defects