Shalom

Specifications

Materials

LaAlO3 crystals

Orientation

＜100＞  ＜110＞  ＜111＞

Orientation error

±0.5deg.

Typical Size (mm)

10x3 10x5, 10x10, 15x15, 20x15, 20x20

Typical thickness (mm)

0.5mm, 1.0mm

Thickness tolerance

±0.05mm

Size tolerance

±0.1mm

Surface finish

SSP (single surface polished) or

DSP (double surface polished)

Roughness

Ra<0.5nm

Properties

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

9.4x10^-6/℃

Dielectric constants

ε=21

Secant loss（10ghz)

～3×10^-4@300k,～0.6×10^-4@77k

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