Bismuth Selenium alloy have 3 kinds intermediate compounds BiTe,Bi2Te,Bi2Te3.

Bi2Te3, density: 6.82g/cm3; melting point 710℃, black crystal materials, used as compound semiconductor and thermoelectricity materials. Low temperature, it will show as superconductor performance.

Bismuth Selenide - Bi2Te3

Purity--- 99.999%,99.99%

Shape--- Lumps, powder, sputtering target, granule