III-V group compound GaInP is an efficient luminescent ternary mixed crystal material, which can be grown on InP substrate. PAM-XIAMEN can offer GaInP thin film growth on InP substrate for various applications, like photoluminescent testing. More about the GaInP / InP epi wafer please see below:
1. Thin Film Growth of GaInP on InP
No. 1 InP / GaInP Strained Epitaxy
PAM210220 – GAINP
No. 2 Epitaxial Thin Film Growth of GaInP / InP
2″ GaInP epi layer: thickness:1um, Ga:In=1:1, epi layer:1-3um,
InP substrate:2”size,orientation (100) or (110), n type or semi-insulating, thickness:300-500um, single side polished.
2. About GaInP Epitaxial Thin Films
Gallium indium phosphide (GaInP), is a semiconductor composed of indium, gallium and phosphorus. It is used in high-power and high-frequency electronics because of its superior electron velocity with respect to the more common semiconductors silicon and gallium arsenide.
It is used mainly in HEMT structure,HBT structures or MESFET structure. And the high-bandgap GaInP epitaxial material can be grown on InP to increase the Schottky barrier height of the InP MESFET with the Schottky gate materials( Au and Pt2Si). The pseudomorphic GaInP/InP MESFET with an Au gate has a Schottky barrier height of 0.54 eV, and the reverse leakage current of the device is 10 -2 times lower than that of the conventional InP MESFET. The extrinsic and intrinsic transconductance of the pseudomorphic MESFET are 66.7 and 104.2 mS/mm respectively for the 5-μm-gate-length GaInP/InP MESFET.
GaInP is also used for the fabrication of high efficiency solar cells used for space applications. Ga0.5In0.5P is used as the high energy junction on double and triple junction photovoltaic cells grown on GaAs. Recent years have shown GaInP/GaAs tandem solar cells with AM0 (sunlight incidence in space=1.35 kW/m2) efficiencies in excess of 25%. A different alloy of GaInP, lattice matched to the underlying GaInAs, is utilized as the high energy junction GaInP/GaInAs/Ge triple junction photovoltaic cells.in combination with aluminium (AlGaInP alloy) to make high brightness LEDs with orange-red, orange, yellow, and green colors.
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