Arsenic(III) telluride, or As2Te3, is a binary chalcogenide compound composed of arsenic and tellurium. It belongs to the family of layered semiconductors and has gained attention for its unique electrical, optical, and thermoelectric properties. As2Te3 exhibits interesting phase-change behavior, making it relevant for data storage applications.
Features of Arsenic(III) Telluride (As2Te3)
Phase Change Material: As2Te3 can exist in different structural phases (amorphous and crystalline), allowing for reversible transitions between these states, which are utilized in rewritable optical discs and other memory devices.
Thermoelectric Properties: Similar to other tellurides, As2Te3 shows promise for thermoelectric applications due to its ability to convert heat into electricity or vice versa, although its efficiency is typically lower than that of more optimized thermoelectric materials like PbTe.
Nonlinear Optical Properties: Exhibits nonlinear optical characteristics, which are useful in optical switching, frequency conversion, and other photonic devices.
Chemical Stability: Relatively stable under normal atmospheric conditions but sensitive to humidity and can undergo oxidation over time.
Electrical Conductivity: Its electrical conductivity can be manipulated through phase changes and doping, making it adaptable for various electronic applications.
Parameter of Arsenic(III) Telluride (As2Te3)
Certificate of Analysis
Product
Purity
Specification
Net weight (kg)
Arsenic III telluride As2Te3
99.99%
Impurity Content (ppm)
Element
Guarantee Value(max)
Cu
5
Mg
10
Ag
5
Ni
10
Zn
5
Fe
10
Al
10
Cd
5
Pb
10
Cr
10
Sn
5
Application of Arsenic(III) Telluride (As2Te3)
Phase-Change Memory Devices: Used as a recording medium in rewriteable CDs, DVDs, and next-generation optical storage due to its reversible phase transition capabilities. Thermoelectrics: Investigated for low-grade heat recovery and conversion into electricity, particularly in niche applications where its specific properties offer advantages. Optoelectronics: Employed in optical switches, modulators, and other photonic devices due to its nonlinear optical properties. Research: As a model material for studying phase transitions, thermoelectric phenomena, and the physics of chalcogenide compounds.
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Arsenic(III) Telluride (As2Te3), please feel free to contact us or click on the needed products to send an inquiry.
Payment term T/T, Western Union, Paypal, Credit Card etc.
Shipment term By air, by sea, by express, as customers request.
Storage conditions 1) Store in a dry environment at room temperature. 2) Avoid damp and high temperature. 3) Use immediately after opening the inner packing bag.
FAQ
Q1. Is Arsenic(III) Telluride toxic?
A: Yes, both arsenic and tellurium are toxic elements. As2Te3 should be handled with caution and appropriate safety measures to avoid exposure or release into the environment.
Q2. How does As2Te3 compare to other phase-change materials?
A: As2Te3 is distinguished by its phase-change properties and unique optical characteristics, but its performance in terms of speed and stability may differ from more commonly used phase-change materials like GeSbTe.
Q3. Can As2Te3 be used in flexible electronics?
A: The flexibility of As2Te3 depends on its preparation and thin film deposition techniques. While not a primary application, research explores its potential in flexible devices due to its semiconducting nature.
Q4. Is Arsenic(III) Telluride suitable for high-temperature applications?
A: Its suitability for high-temperature applications is limited due to its relatively low melting point and potential instability at elevated temperatures.
Q5. How is Arsenic(III) Telluride synthesized?
A: As2Te3 is typically synthesized through chemical vapor deposition (CVD), sputtering, or solid-state reactions, involving the reaction of arsenic and tellurium at elevated temperatures.
