Product Description
AXT InP 10H1Z00040021 – Indium Phosphide (InP) Semiconductor Substrate – Research/Grade
A high-quality indium phosphide (InP) semiconductor substrate from AXT (American Xtal Technology) , a leading manufacturer of compound semiconductor materials. The 10H1Z00040021 is a specialized substrate designed for epitaxial growth and device fabrication in optoelectronic, RF/microwave, and high-speed electronic applications. InP offers superior electron mobility and direct bandgap properties essential for lasers, photodetectors, HEMTs, and HBTs.
🔍 Key Specifications:
📡 Material & Specifications:
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Manufacturer: AXT (American Xtal Technology)
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Part Number: 10H1Z00040021
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Material: Indium Phosphide (InP) – III-V compound semiconductor
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Type: Semiconductor substrate (for epitaxial growth)
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Diameter: Typically 2″, 3″, or 4″ – verify specific size from part number/labeling
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Orientation: (100) or miscut – typical for InP device fabrication
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Dopant: Undoped (semi-insulating) or Fe-doped – verify by part number
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Resistivity: High (semi-insulating) for RF devices, or low for optoelectronic
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Surface Finish: One side polished (epi-ready), one side etched/ground
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Thickness: Standard substrate thickness (350–650 µm typical)
🔧 Physical Specifications:
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Shape: Circular wafer
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Edge: Ground/flat (primary flat or notch for orientation)
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Packaging: Originally in cleanroom-grade container (if present)
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Condition: Surplus – visually inspected, unopened container if sealed
⚙️ Why InP Substrates are Critical:
🔬 Superior Material Properties:
Indium phosphide offers:
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High electron mobility – faster devices, higher frequencies
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Direct bandgap – efficient light emission/detection
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High breakdown field – high-power RF devices
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Thermal conductivity – better than GaAs for power applications
📡 Key Applications:
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Optoelectronics: Laser diodes (telecom 1310/1550nm), photodetectors, modulators
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RF/Microwave: HEMTs, HBTs for mm-wave, 5G, radar
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High-speed electronics: Digital circuits, mixed-signal ICs
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Photovoltaics: High-efficiency multi-junction solar cells
🏭 Semiconductor Manufacturing:
InP substrates are used for:
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Epitaxial growth (MBE, MOCVD) of device layers
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Device fabrication – lithography, etching, metallization
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Research & development – new materials, device concepts
🛠️ Potential Applications (If Suitable):
🔬 Research & Development:
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Epitaxial growth experiments – test new material combinations
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Device prototyping – fabricate test structures
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Material characterization – study InP properties
📡 Optoelectronic Device Fabrication:
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Telecom lasers – 1310nm/1550nm edge-emitting or VCSELs
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Photodetectors – PIN, APD for fiber optic receivers
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Modulators – electro-absorption, Mach-Zehnder
📶 RF/Microwave Devices:
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HEMTs – low-noise amplifiers, power amplifiers
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HBTs – high-linearity amplifiers, oscillators
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mm-wave ICs – 5G, automotive radar, satellite comms
🔋 Photovoltaics:
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Multi-junction solar cells – space and concentrated PV
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Tandem cells – with GaAs, InGaAs layers
🧪 Educational Use:
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University semiconductor labs – hands-on processing experience
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Training – epitaxy, lithography, device fabrication



