Typical Physical Properties |
molecular Formula |
LiTaO3 |
|
Crystal Structure
|
Rhombohedral |
|
Lattice Constant: |
(Hex) a=5.154 Å c=13.783 Å |
|
Crystal Purity |
> 99.99% |
Density
|
7.45g /cm3 |
Melt Point
|
1650℃ |
Thermal Expansion
|
610℃ |
|
Thermal Expansion: |
aa=1.61×10-6/k
ac=4.1×10-6/k |
Resistivity |
1015
W.m |
Dielectric Constant |
es11/e0 :39～43 es33/e0 :42～43
et11/e0 :51～54 et11/e0 :43～46 |
Color |
Colorless |
|
Transmission Range |
0.4～5.0um |
|
Refractive Index |
no
= 2.176 ne = 2.180 @ 633 nm |
|
Hardness |
5.5～6 ( Mohs) |
|
Orientation |
X、Y、Z |
Standard Size
|
Dia.3＂× 0.5mm
Dia.2＂× 0.5mm
Dia.2＂× 1.0mm
10 × 10 × 0.5mm
Special size and orientation are available upon request.
|
Orientation Accuracy
|
±0.3o |
Polishing
& Micro Roughness |
Single or double sides polished Ra<5
Å |
