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Terbium silicide
IUPAC name
Other names Terbium silicon
Silicon terbium
Terbium Disilicide
Molecular formula TbSi2
Molar mass 215.09 g/mol
Appearance Gray powder
Solubility in water Insoluble
Crystal structure Orthorhombic or Hexagonal
Related compounds
Related compounds Rare Earth Silicides
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Terbium silicide is a chemical compound of the rare earth metal terbium with silicon having chemical formula TbSi2. It is a gray solid first described in detail in the late 1950's.[1]

The metallic resistivity and low Schottky barrier of TbSi2 (on n-type doped silicon) make it a potential candidate for applications such as infrared detectors, ohmic contacts, magnetoresistive devices, and thermoelectric devices.

It exhibits antiferromagnetism at 16K.[2]


  1. ^ Perri, J. A.; Binder, I.; Post, B. (1959). "Rare earth metal disilicides". The Journal of Physical Chemistry 63: 616–619. doi:10.1021/j150574a041.   edit
  2. ^ Sekizawa, K.; Yasukochi, K. (1966), "Antiferromagnetism of disilicides of heavy rare earth metals", Journal of the Physical Society of Japan. 21: 274–278, doi:10.1143/JPSJ.21.274,  


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