LaAlO3

LaAlO3

LaAlO3

Major capability parameter
Crystal structure M6(normal  temperature) M3(>435℃)
Unit cell constant M6 a=5.357A   c=13.22 A M3 a=3.821 A
Melt point(℃) 2080
Density 6.52(g/cm3)
Hardness 6-6.5(mohs)
Thermal expansion 9.4×10-6/℃
Dielectric constants ε=21
Secant loss(10ghz) ~3×[email protected],~0.6×[email protected]
Color and appearance To anneal and conditions differ from brown to brownish
Chemical stability Room temperature is not dissoluble in minerals, the temperature is greater than 150 ℃ in soluble h3po4
Characteristics For microwave electron device
Growth method Czochralski method
Size 10×3,10×5,10×10,15×15,,20×15,20×20,
Ф15,Ф20,Ф1″,Ф2″,Ф2.6″
Thickness 0.5mm,1.0mm
Polishing Single or double
Crystal Orientation <100>  <110>  <111>
redirection precision ±0.5°
Redirection the edge: 2°(special in 1°)
Angle of crystalline Special size and orientation are available upon request
Ra: ≤5Å(5µm×5µm)
Pack 100 clean bag,1000 exactly clean bag