Terbium silicide（TbSi2） 
CAS: 12039-80-4 
Molecular weight 219.12800 
Density: 6.660 

English name: terbium silica 
Chemical formula: TbSi2 
CAS:12039-80-4  
Molecular weight 219.12800 
Density: 6.660 
Property: Terbium silicide is a metal silicide that is relatively stable in air, but can produce hydrogen gas when exposed to moisture. It is a transparent conductive material with good optical and electrical properties. 
Manufacturing method: 
Terbium silicide can be prepared by direct chemical synthesis, which involves mixing an appropriate amount of terbium and silicon in a certain proportion, and then heating it to a high temperature for a chemical reaction to produce terbium silicide. 
The reaction products can be purified and crystallized through various methods. 
Purpose: 
One of the main uses of terbium silicide is as a magnetic material. The special properties of terbium element make terbium silicide commonly used in the manufacture of magnets, magnetic recording media, and magnetic storage devices, 
Especially in low temperature and high magnetic field environments. Terbium silicide can also be used in the preparation of other terbium compounds, optoelectronic devices, semiconductor materials, and other fields. 
In N-type semiconductors, their metal resistivity and low Schottky barrier make them potential for practical applications, such as in infrared detectors, ohmic contacts, magneto resistive devices, and thermoelectric devices. 
Security information: 
Terbium silicide is non-toxic to the human body under conventional conditions. As a metal silicide, terbium silicide produces highly toxic hydrogen gas, and ventilation conditions must be taken into account during storage and handling. 
When using terbium silicide, appropriate safety measures should be taken, including wearing protective gloves and glasses, and ensuring good ventilation in the storage and handling environment.