III-V Nitride
SINGLE CRYSTALS
Substrates for III-V nitride Film Depostition
Special single crystal substrates are available for deposition of III-V compounds for the development of special devices such as blue LEDs and LASERS.
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Physical Properties
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Material
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Structure
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Lattice
Const. Å a |
Lattice
Const. Å c |
Density
(g/cm3) |
Melting
Point ° C |
Thermal
Expansion x 10-6/K° |
Standard
Orientation |
Std. Sizes
0.5 mm thick |
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Al2O3
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Hexagonal
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4.758
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12.991
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3.97
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2030
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7.50
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C-plane
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10x10mm
1/0x1.0" 2"Φ 3"Φ |
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MgO
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Cubic
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4.216
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3.58
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2800
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12.8
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(100)
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10x10mm
1x1" 2x2" |
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MgAl2O4
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Cubic
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8.083
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3.60
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2130
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7.45
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(111)
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10x10mm
32mmΦ 1.5"Φ |
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ZnO
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Hexagonal
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3.252
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5.313
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5.605
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1975
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2.90
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(0001)
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10x10mm
20x20mm |
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SiC
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Hexagonal
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3.08
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15.12
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3.217
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sublimes
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10.3
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6H
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10x10mm
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LiAlO2
(2) |
Tetragonal
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5.17
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6.26
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1700
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(100)
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10x10mm
15x20mm |
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InP
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Cubic
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5.869
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1070
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4.50
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(100)
(111) |
2.0"Φ
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GaP
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Cubic
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5.451
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1348
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4.65
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(100)
(111) (311) |
45mmΦ
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GaAs
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Cubic
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5.653
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1238
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6.00
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2.0"Φ
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GaN (1)
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Hexagonal
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3.189
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5.815
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6.1
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sublimes
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5.59
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NiAl
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Cubic
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2.880
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1720
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20mmΦ
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LiGaO2
(2) |
Orthohombic
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5.4006
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(b)
5.012 (c) 6.379 |
1600
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(001)
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10x10mm
1/0x1.0" 25mmΦ 50mmΦ |
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CdSe
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>1350
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Call
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Call
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Notes:
1. GaN is not available as a crystal (for reference only). 2. Not recommended for MOCVD because of low melting point. |
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Sizes and Orientations Available
Because each crystal is unique, maximum sizes and orientations available will vary. Please contact us for crystals for your specific reqirements. |
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Applications
Blue LEDs, LASERS |
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