Monocrystalline Silicon Rod
High-Purity Single Crystal Silicon Rods for Lab Research, Semiconductor Prototyping & Precision Applications
Monocrystalline silicon rods are > 5N (99.99999%) high-purity single-crystal substrates manufactured via Czochralski (CZ) or Float Zone (FZ) growth methods. Featuring a uniform, grain-free crystal lattice, they deliver consistent electrical properties, high carrier mobility and reliable performance for precision semiconductor and research applications.
Widely adopted by university laboratories, semiconductor R&D centers and photovoltaic research institutions, these rods serve as core materials for device fabrication, material characterization, process verification and detector development. All products meet SEMI standards and are supplied with a batch-specific Certificate of Analysis (CoA).
- Custom diameter & length: 3mm – 100mm, precision machined to your specifications
- Full crystal orientation options: <100>, <111>, <120>
- P-type / N-type / Undoped doping tunable resistivity
- No MOQ: 1 piece sample order supported
Silicon Rods: Structure & Applications
Monocrystalline silicon rods are high-purity single-crystal silicon substrates manufactured via Czochralski (CZ) or Float Zone (FZ) growth methods. Unlike polycrystalline silicon, each rod features a uniform crystal lattice and consistent grain-free structure, delivering stable electrical properties and reliable performance in precision applications.
Our silicon crystal rods are widely used in university laboratories, semiconductor R&D centers and photovoltaic research institutions, serving as core materials for device fabrication, material characterization and process verification. All products meet SEMI standards and come with batch-specific Certificate of Analysis (CoA).




Core Technical Specifications
| Parameter | Standard Options | Customization Available |
|---|---|---|
| Growth Method | CZ (Czochralski), FZ (Float Zone) | Ultra-pure FZ for ultra-high resistivity |
| Crystal Orientation | <100>, <111>, <120> | 110 |
| Doping Type | P-type (Boron), N-type (Phosphorus, Arsenic), Undoped (Intrinsic) | Custom dopant concentration & gradient profiles |
| Resistivity | 0.001 Ω·cm – 10,000 Ω·cm | >20,000 Ω·cm ultra-high resistivity for detectors |
| Diameter | φ3mm – φ50mm standard sizes | custom shapes & rods |
| Length | 50mm – 300mm standard | Custom cut to exact dimensions |
| Surface Finish | As-cut, lapped, polished | Epi-ready, ultra-smooth polished surfaces |
Available Quality Grades
All our monocrystalline silicon rods are manufactured with 7N (99.99999%) high-purity crystalline material, available in three tailored grades:
- Research Grade: Cost-effective for academic experiments, teaching labs and proof-of-concept testing
- Prime Grade: SEMI-standard low defect density, suitable for device fabrication and pilot production
- Detector / High-Resistivity Grade: FZ-grown ultra-low impurity, ideal for radiation detectors and high-voltage devices
Key Applications
Laboratory & Academic Research
- Materials science and semiconductor physics education
- Grain structure and defect characterization studies
- University teaching lab experimental platforms
Semiconductor Prototyping & Device Development
- Small-batch device fabrication and process testing
- Sensor, MEMS and power device prototype development
- Semiconductor process verification and optimization
Photovoltaic & Detector Research
- Solar cell efficiency testing and material comparison studies
- Radiation detector and particle sensor substrate development
- Optoelectronic device research and development
Why Choose Our Silicon Rods?
True No MOQ Policy
Order a single 1-piece silicon rod for preliminary testing, or full batches for pilot production — no minimum order restrictions, no forced bulk purchases. We serve individual research groups, student projects and large labs equally.
Precision Custom Machining
We provide custom diameter, length, crystal orientation and doping tuning services. All rods are precision machined to your drawings with tight tolerance control on TTV, bow and warp.
Full Traceability & Compliance
Every shipment includes a batch-specific Certificate of Analysis (CoA) with verified data on resistivity, thickness, flatness, defect density and impurity levels. All materials are fully traceable, supporting academic publication requirements and institutional quality control protocols.
Fast & Secure Global Delivery
We ship worldwide via DHL, FedEx and UPS, with typical delivery times of 3–7 business days to North America, Europe and Asia Pacific. All rods are packed in cleanroom-grade cassettes and ESD-safe packaging.
Technical Support From Material Engineers
Our in-house team of semiconductor material specialists provides free pre-sales consultation to help you select the optimal rod grade, orientation and parameters for your specific application.
Faqs:
Yes. We support full customization from 3mm to 50mm in diameter and any length within 300mm. We can also machine special shapes according to your CAD drawings.
We offer P-type (boron doped), N-type (phosphorus, arsenic doped) and undoped intrinsic silicon rods, with customizable resistivity ranges.
Yes, every order comes with a batch-specific Certificate of Analysis covering all key technical parameters, supporting lab quality management and academic publication requirements.
Yes, we operate a true no-minimum-order policy for all single crystal silicon rods. You may order a single piece of any standard size for preliminary testing, or custom-machined rods for proof-of-concept experiments. Small-batch and volume pricing tiers are also available for pilot production.
CZ (Czochralski) silicon rods are cost-effective for general semiconductor prototyping and research use, with moderate impurity levels. FZ (Float Zone) silicon rods feature ultra-low impurity content and higher resistivity uniformity, making them the preferred choice for high-voltage devices, radiation detectors and RF applications where ultra-high purity is required.
Standard-size monocrystalline silicon rods are usually in stock and can be shipped within 1–3 business days. Custom-doped, custom-orientation or precision-machined rods typically have a lead time of 7–15 business days, depending on the complexity of the specification. Rush production is available for urgent research projects.
Each rod is individually capped and shock-protected to prevent edge chipping, surface damage and particle contamination during transit.
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