Terbium silicide

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 1950s.^[1]

Terbium silicide

Names
IUPAC name Terbium silicide
Other names Terbium silicon Silicon terbium Terbium Disilicide Terbium(IV) silicide
Identifiers
CAS Number	12039-80-4 Y
3D model (JSmol)	Interactive image
ChemSpider	32816418
EC Number	234-903-8
PubChem CID	170843505
InChI InChI=1S/2Si.Tb Key: ANIPRLJNGJNJRK-UHFFFAOYSA-N
SMILES [Si].[Si].[Tb]
Properties
Chemical formula	TbSi2
Molar mass	215.09 g/mol
Appearance	Gray powder
Solubility in water	Insoluble
Structure
Crystal structure	Orthorhombic or Hexagonal
Related compounds
Related compounds	Rare earth silicides
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

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]