Bismuth telluride is a compound of tellurium and bismuth. When
alloyed with selenium or antimony, it acts as an efficient
thermoelectric material suitable for portable power generation or
refrigeration. It is a narrow gap layered semiconductor with a
trigonal unit cell. It mainly occurs in a rare mineral
tellurobismuthite. It is produced by sealing bismuth and tellurium
metals in a quartz tube under vacuum.
1. It is commonly used in physical vapor deposition processes,
Thermal analysis test cup, Aluminum die-casting mould coating;
2. II-VI compound semiconductor materials, thermoelectric
3. Refrigeration elements, piezo crystal and infrared detectors,
test instruments, chemical vapor deposition.
|Bismuth – 15|
Tellurium - 16
|a = 4.38 Å|
c = 30.45 Å
3.Package & Shipping
Generally will be vacuum packed in polyester bag or bottle to
prevents oxidation and keeps your elements shine forever. Also
could be packed according to customer request.
Shipping time: it usually takes about 3 workdays after payment
confirmed or depends on the order quantity and requirements.
Shipping way: by Air,Sea,Courier such as FedEx,DHL,UPS,EMS or as
Q: Are you trading company or manufacturer?
A: We are factory.
Q: What’s the purity of rare metal?
A: Mainly supply rare metal of 99.99%-99.99999%. But in some cases,
the purity could be 99.9% or lower
Q: What’s the Mini order quantity?
A: Mainly the MOQ is 1 kg. But in some cases, the MOQ could be 100
grams or less.
Q: How long is your delivery time?
A: Generally it is 3-7 days if the goods are in stock. Or it is
10-20 days if the goods are not in stock, it is according to
Q: Do you provide sample? Is it free or extra?
A: For the regular product within required sample quantity, we
could offer the sample for free charge
Q: What is your term of payment?
A: For the first business. It is recommended that business is done
through Alibaba. For the future business, adjust the payment terms
according to customer credit. If customer with good reputation,
offer T/T 30 days or even T/T 60 days.
If you have another questions, pls feel free to contact us as