High-Purity Pyrolytic Boron Nitride (PBN) MBE Crucibles for Precision Epitaxial Growth

Premium PBN MBE Crucibles for Semiconductor & Thin-Film Deposition
Pyrolytic Boron Nitride (PBN) MBE crucibles are essential for Molecular Beam Epitaxy (MBE), a cutting-edge technique used to produce ultra-pure GaAs, InP, and other III-V compound semiconductor wafers. MBE enables the growth of multi-layer, superlattice, and quantum well structures with exceptional crystal purity and chemical stability.
Our PBN MBE crucibles are engineered to meet the stringent demands of semiconductor manufacturing, optoelectronics, and advanced research, ensuring high thermal performance, minimal contamination, and long-term reliability.
We provide custom PBN crucibles, VGF / LEC / Conical / MBE / OLED crucibles.
PBN Properties
| Item | Value | Unit | ||
| Lattice constant | a: 2.504×10-10 | μ m | ||
| c: 6.692×10-10 | ||||
| Density | 2.0-2.19 | g/cm3 | ||
| Resistivity | 3.11×1011 | Ω·cm | ||
| Tensile strength (ab) | 153.86 | N/mm2 | ||
| Bend strength | c | 243.63 | N/mm2 | |
| ab | 197.76 | N/mm2 | ||
| Elastic modulus | 235690 | N/mm2 | ||
| Thermo conductivity | “a” direction | “c” direction | ||
| (200℃) | 60 | 2.6 | W/m·k | |
| (900℃) | 43.7 | 2.8 | W/m·k | |
| Dielectric strength (at RT) | 56 | KV/mm | ||
Why Choose PBN MBE Crucibles?
✔ Ultra-High Purity (99.995%) – Minimizes impurities in sensitive epitaxial growth processes.
✔ Extremely Low Outgassing – Ideal for ultra-high vacuum (UHV) MBE systems.
✔ Superior Thermal Conductivity – Ensures uniform heating and precise temperature control.
✔ Excellent Thermal Shock Resistance – Withstands rapid temperature changes without cracking.
✔ Chemically Inert – Resists reactions with Ga, As, In, P, and other semiconductor materials.
✔ Reusable & Easy to Clean – Reduces operational costs and extends crucible lifespan.
Applications of PBN MBE Crucibles
MBE Growth of GaAs, InP, and III-V Semiconductors
Quantum Well & Superlattice Structures
OLED & Optoelectronic Device Fabrication
Advanced Research in Nanotechnology & Thin-Film Deposition
Custom PBN Crucible Solutions
We offer custom-designed PBN crucibles for various applications, including:
MBE Crucibles

PBN CRUCIBLES
VGF (Vertical Gradient Freeze) Crucibles
LEC (Liquid Encapsulated Czochralski) Crucibles
Conical & Special-Shaped Crucibles
Secure Packaging for Safe Delivery
PBN is a high-performance yet fragile ceramic material. To ensure safe transit, our PBN MBE crucibles are:
Vacuum-sealed in protective plastic bags
Cushioned with heavy-duty foam
Packed in reinforced outer boxes
Upgrade Your MBE Process with High-Quality PBN Crucibles – Contact Us Today!
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