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MBE Crucibles – Precision Evaporation Sources for Molecular Beam Epitaxy
High-purity MBE crucibles in various materials for precise thin film deposition.
- Ultra-High Purity – 99.95% material purity for contamination-free deposition
- Multiple Material Options – Including Tungsten, Tantalum, Titanium, and Niobium Cylindrical Crucibles
- Precision Engineering – Tight dimensional tolerances for consistent evaporation
- High-Temperature Stability – Withstands extreme MBE operating conditions
- Custom Configurations – Standard MBE Crucible designs or custom specifications
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Premium Quality MBE Crucibles for Advanced Thin Film Growth
Our MBE Crucibles are engineered to meet the exacting demands of molecular beam epitaxy systems. Available as Standard MBE Crucibles or custom-designed configurations, we offer Tungsten Cylindrical Crucible, Tantalum Cylindrical Crucible, Titanium Cylindrical Crucible, and Niobium Cylindrical Crucible options to suit various evaporation source requirements. Each crucible is manufactured from ultra-high purity materials to ensure optimal film quality.
Specifications of Our MBE Crucibles
| Parameter | Tungsten | Tantalum | Titanium | Niobium |
| Purity | 99.95% | 99.95% | 99.6% | 99.95% |
| Max Temperature | 2400°C | 2200°C | 1600°C | 2000°C |
| Standard Sizes | Ø10-50mm | Ø10-50mm | Ø10-50mm | Ø10-50mm |
| Wall Thickness | 0.5-2mm | 0.5-2mm | 0.5-2mm | 0.5-2mm |
| Surface Finish | Polished | Polished | Polished | Polished |
As a specialist manufacturer of MBE components what we offer
- Material Expertise – Optimal crucible material selection for your application
- Precision Manufacturing – Consistent quality across all our Standard MBE Crucibles
- Custom Solutions – Tailored Tungsten, Tantalum, Titanium or Niobium Cylindrical Crucibles
- Technical Support – Assistance with crucible selection and maintenance
- Reliable Performance – Crucibles that deliver repeatable evaporation characteristics
Choose our MBE Crucibles for superior performance in your thin film research and production!
Key Applications of MBE Crucibles
Our crucibles are essential for:
- Compound Semiconductor Growth – GaAs, InP, and other III-V materials
- Oxide Thin Film Deposition – High-k dielectrics and ferroelectrics
- Magnetic Film Development – GMR and TMR structures
- Topological Insulator Research – Novel quantum materials
- Superconductor Fabrication – Thin film superconductor devices
MBE Crucibles FAQ
Q1: What materials are your MBE crucibles made from?
A1: We offer MBE crucibles in ultra-high purity refractory metals, including Tungsten, Tantalum, Titanium, and Niobium. Each material is selected for its unique high-temperature and chemical resistance properties.
Q2: What is the purity level of your crucible materials?
A2: Our crucibles are manufactured from materials with a minimum purity of 99.95%, with the exception of Titanium, which is 99.6%. This ultra-high purity ensures minimal contamination and optimal film quality during deposition.
Q3: What is the maximum operating temperature for each crucible material?
A3: The maximum operating temperatures are: Tungsten (2400°C), Tantalum (2200°C), Niobium (2000°C), and Titanium (1600°C). These temperatures reflect the materials' ability to withstand extreme MBE conditions.
Q4: What standard sizes do you offer for MBE crucibles?
A4: Our standard cylindrical crucibles are available with outer diameters ranging from 10mm to 50mm and wall thicknesses between 0.5mm and 2mm.
Q5: Can you provide custom-designed MBE crucibles?
A5: Yes, we specialize in providing custom configurations. We can tailor the size, shape, and material of the crucible to meet your specific MBE system requirements and evaporation source needs.
Q6: How do I choose the right material for my MBE crucible?
A6: The choice depends on your target material and process temperature. For example, Tungsten is ideal for the highest temperatures and reactive materials like silicon, while Tantalum is often preferred for evaporating oxides and nitrides. Our technical team can assist you in selecting the optimal material.
Q7: How can I prevent contamination from the crucible?
A7: Using ultra-high purity crucible materials is the first line of defense. Additionally, ensure the crucible is properly cleaned and outgassed before use, and avoid cross-contamination by dedicating specific crucibles to specific materials.
Q8: What is the typical lifetime of an MBE crucible?
A8: The lifetime, measured in heating cycles or "heats," varies based on the material, temperature, and the material being evaporated. With proper handling and maintenance, our refractory metal crucibles can last for many deposition cycles.
Q9: How should I clean and maintain my MBE crucible?
A9: Crucibles should be cleaned thoroughly between uses. This can involve high-temperature heating (outgassing) to burn off residues, ultrasonic cleaning, or chemical etching for stubborn contaminants. Always handle with clean, dry tools to prevent physical damage and contamination.
Q10: Why is Tungsten a good choice for MBE crucibles?
A10: Tungsten offers the highest melting point (3422°C) among metals, making it extremely stable at the highest MBE temperatures. It is also very chemically inert, making it suitable for evaporating a wide range of materials, especially at high temperatures.
Q11: What are the advantages of using Tantalum crucibles?
A11: Tantalum provides excellent chemical stability and forms a protective oxide layer, making it ideal for evaporating oxide materials and some nitrides. It offers a good balance of high-temperature performance (up to 2200°C) and resistance to chemical attack.
Q12: Are your crucibles compatible with all MBE systems?
A12: Our standard and custom crucibles are designed to be compatible with most commercial MBE systems. We can manufacture to your system's specific mechanical and dimensional requirements to ensure a perfect fit.
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