Atomfair Bismuth Telluride (Bi2Te3) Powder, 99.99% Purity, -160 mesh (-150 μm APS)
Product Description
Atomfair Bismuth Telluride (Bi2Te3) Powder is supplied as a powder with 99.99% purity and -160 mesh (-150 microns APS). It is intended for thermoelectric cooling, thermoelectric power-generation and topological-insulator research.
Technical Specifications |
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Customization & Ordering
Package availability, minimum order quantity, pricing, and lead time are confirmed during quotation.
Key Features and Advantages
- Thermoelectric semiconductor for cooling and power-generation research.
- Trigonal hR15 crystal structure with a density of 7.74 g/cm³.
- Topological-insulator surface states are reported for this material system.
APPLICATION SCOPE: thermoelectric cooling, thermoelectric power-generation and topological-insulator research
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
LABORATORY PROCUREMENT SUPPORT
For grade selection, particle-size confirmation, documentation support or custom specification review, contact our technical sales team.
Why is the -160 mesh specification important for thermoelectric device fabrication using this Bi2Te3 powder?
The -160 mesh specification ensures a maximum particle size of 150 μm (APS), which is suitable for uniform packing during die pressing and spark plasma sintering, common methods for producing thermoelectric legs. The source confirms the powder is intended for thermoelectric cooling and power-generation research, and explicitly lists the particle size as -160 mesh (-150 μm APS).
Can this 99.99% purity Bi2Te3 powder be used for topological insulator research?
Yes, the source explicitly states that topological-insulator surface states are reported for this material system. The powder has a trigonal hR15 crystal structure, which is known to support topological properties, and the 99.99% purity minimizes bulk defects, preserving surface state integrity.
What are the key physical properties of this Bi2Te3 powder relevant for hot pressing and sintering?
The powder has a density of 7.74 g/cm³ and a melting point of 580 °C, as specified in the technical data. These parameters, together with the -150 μm particle size, determine optimal pressing pressure and sintering temperature for thermoelectric element fabrication.
Atomfair Bismuth Telluride (Bi₂Te₃) powder with 99.99% purity and -160 mesh provides a high-quality semiconductor material for thermoelectric and topological insulator research, but requires careful powder handling and solvent selection.
Positive
- High-purity semiconductor grade: 99.99% purity and trigonal hR15 crystal structure ensure reliable electronic properties for thermoelectric and topological insulator research.
- Dual application versatility: Material is suitable for thermoelectric cooling, power generation, and topological insulator surface-state studies, expanding experimental scope.
Trade-offs
- Powder handling requirements: Fine powder (-160 mesh, -150 µm APS) requires controlled handling to prevent airborne contamination and ensure accurate dosing in laboratory environments.
- Solvent compatibility consideration: Material is insoluble in water but soluble in ethanol, which may limit wet processing options and require specific solvent selection for synthesis or cleaning protocols.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
