2-6 inch Gallium phosphide (GaP) crystals crystal substrate,GaP wafer
ZMKJ can provides high quality single crystal GaP wafer ( Gallium phosphide ) to electronic and optoelectronic industry in diameter up to 2 inch . Gallium phosphide ( GaP ) crystal is an orange-yellow semi-translucent material formed by two elements , Gallium and Phosphide , growth by Liquid Encapsulated Czochralski ( LEC ) method . GaP wafer is an important semiconductor material which have unique electrical properties as other III-V compound materials and is widely used as red , yellow , and green LED ( light-emitting diodes ) . We have as-cut single crystal GaP wafer for your LPE application , and also provide epi ready grade GaP wafer for your MOCVD & MBE epitaxial application . Please contact us for more product information .
Electrical and Doping Specification
| Product Name: | Gallium phosphide (GaP) crystal substrate |
| Technical parameters: | | Crystal structure | Cubic a = 5.4505 Å | | Growth method | Czochralski method | | Density | 4.13 g / cm 3 | | Mp | 1480 o C 1 | | Thermal expansion coefficient | 5.3 x10 -6 / O C | | Dopant | S-doped undoped | | Direction | <111> or <100> <100> or <111> | | Type | N N | | Thermal Conductivity | 2 ~ 8 x10 17 / cm 3 4 ~ 6 x10 16 / cm 3 | | Resistivity W.cm | 0.03 to 0.3 | | EPD (cm -2) | <3x10 5 <3x10 5 | |
| Specifications: | | Crystallographic directions: <111>, <100> ± 0.5 o Standard polished Size: Ø2 "* 0.35mm; Ø2" * 0.43mm. Ø3"x0.3mm | | Note: according to customer requirements with special dimensions and orientation substrates | |
| StandardPacking | 1000 clean room, 100 clean bag or single box packaging |
| Dopant available | S / Zn / Cr / Undoped |
| Type of conductivity | N / P ,Semi-conducting / Semi-insulating |
| Concentration | 1E17 - 2E18 cm-3 |
| Mobility | > 100 cm2 / v.s. |
Product Specification
| Growth | LEC |
| Diameter | Ø 2" |
| Thickness | 400 um |
| Orientation | <100> / <111> / <110> or others |
| Off orientation | Off 2° to 10° |
| Surface | One side polished or two sides polished |
| Flat options | EJ or SEMI. Std . |
| TTV | <= 10 um |
| EPD | <= 2E5 cm-2 |
| Grade | Epi polished grade / mechanical grade |
| Package | Single wafer container |
Sample pictures
FAQ:
Q: What's the delivery time?
A: (1) For the standard products
For inventory: the delivery is 5 workdays after you place the order.
For customized products: the delivery is 2 or 3 weeks after you place the order.
(2) For the special-shaped products, the delivery is 4 workweeks after you place the order.
Q: What's your MOQ?
A: (1) For inventory, the MOQ is 3pcs.
(2) For customized products, the MOQ is 10-20pcs up.
we also can provide other materials semiconductor wafer as like below
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