Single Crystals
Substrates for III-V nitride Film Deposition
Special single crystal substrates are available for deposition of III-V compounds for the development of special devices such as blue LEDs and LASERS.
Physical Properties
Material
Structure
Lattice
Const.
Å
aLattice
Const.
Å
cDensity
(g/cm³ )Melting
Point
C °Thermal
Expansion
x 10-6/K°Standard
OrientationStd. Sizes
0.5mm thick
Al2O3
Hexagonal
4.758
12.991
3.97
2030
7.50
C-plane
10 x 10mm
1/0 x 1.0"
2" Ø
3" Ø
MgO
Cubic
4.216
3.58
2800
12.8
(100)
10 x 10mm
1 x 1"
2 x 2"
MgAl2O4
Cubic
8.083
3.60
2130
7.45
(111)
10 x 10mm
32mm Ø
1.5" Ø
ZnO
Hexagonal
3.252
5.313
5.605
1975
2.90
(0001)
10 x 10mm
20 x 20mm
SiC
Hexagonal
3.08
15.12
3.217
sublimes
10.3
6H
10 x 10mm
LiAlO2 (2)
Tetragonal
5.17
6.26
1700
(100)
10 x 10mm
15 x 20mm
InP
Cubic
5.869
1070
4.50
(100)
(111)2.0" Ø
GaP
Cubic
5.451
1348
4.65
(100)
(111)
(311)45mm Ø
GaAs
Cubic
5.653
1238
6.00
2.0" Ø
GaN (1)
Hexagonal
3.189
5.815
6.1
sublimes
5.59
NiAl
Cubic
2.880
1720
20mm Ø
LiGaO2 (2)
Orthohombic
5.4006
(b) 5.012
(c) 6.3791600
(001)
10 x 10mm
25mm Ø
50mm Ø
CdSe
> 1350
Call
Call
Notes: (1) GaN is not available as a crystal, for reference only. (2) Not recommended for MOCVD because of low melting point.
Sizes and Orientations Available
Please contact us for crystals for your specific requirements.
Applications