Atomfair Bismuth Telluride (Bi2Te3) Powder, 99.999% Purity, -160 mesh (-150 μm APS)
Product Description
Atomfair Bismuth Telluride (Bi2Te3) Powder is supplied as a powder with 99.999% 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.
How does the -160 mesh particle size of Atomfair Bismuth Telluride powder affect its suitability for thermoelectric device fabrication?
The -160 mesh specification (particles up to 150 μm) is typical for powder processing and sintering in thermoelectric research. The 99.999% purity ensures minimal impurity scattering, which is critical for maintaining high thermoelectric figure of merit (ZT). The source does not provide ZT values or optimal particle size for specific performance, but the powder may require milling for applications needing finer grain sizes for homogeneous pellet pressing or spark plasma sintering.
What is the significance of the trigonal hR15 crystal structure of Bi2Te3 for topological insulator research?
The trigonal hR15 crystal structure of Bi2Te3 is characteristic of the layered tetradymite-type structure, which hosts topologically protected surface states. The source confirms that topological-insulator surface states are reported for this material system, and the high purity (99.999%) is essential for observing these quantum phenomena without bulk conduction interference.
What are the recommended storage conditions for Atomfair Bismuth Telluride powder to maintain its 99.999% purity?
The powder should be stored in a dry, inert atmosphere to prevent oxidation and moisture absorption, as it is water insoluble but may react with moisture over time. It is soluble in ethanol, so contact with organic solvents should be avoided unless intended. The source notes that a Certificate of Analysis (COA) and Safety Data Sheet (SDS) are available upon request for batch-specific handling guidelines. The density of 7.74 g/cm³ and melting point of 580 °C indicate it is stable under normal conditions but should be kept away from strong oxidizers.
Atomfair Bismuth Telluride Powder (99.999% purity, -160 mesh) is a high-purity thermoelectric semiconductor with trigonal hR15 crystal structure, suitable for thermoelectric cooling, power generation, and topological insulator research.
Positive
- High purity and controlled particle size: 99.999% purity and -160 mesh (-150 μm APS) ensure consistent stoichiometry and particle size for thermoelectric and topological insulator research.
- Relevant crystal structure and density: Trigonal hR15 crystal structure with density 7.74 g/cm³ and melting point 580°C are characteristic of Bi2Te3 thermoelectric materials.
Trade-offs
- Ethanol solubility constraint: The material is soluble in ethanol, which may limit its use in ethanol-based processing or cleaning steps and requires careful solvent selection.
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).
