Tb2 Se2

semiconductor

· Tb2 Se2

Tb2Se2 is a rare-earth selenide semiconductor compound composed of terbium and selenium, belonging to the family of lanthanide chalcogenides. This material is primarily of research interest for optoelectronic and thermoelectric applications, where its narrow bandgap and layered crystal structure offer potential advantages in light emission, photodetection, and heat-to-electricity conversion. While not yet widely commercialized, Tb2Se2 and related rare-earth selenides are being investigated as alternatives to conventional semiconductors in niche applications requiring rare-earth functionality or unique electronic properties in thermally demanding environments.

thermoelectric devicesoptoelectronic researchinfrared photodetectorsrare-earth electronicsemerging semiconductor research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,704.7	ksi	—
Shear Modulus(G)	599.4	ksi	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00150	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.277	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Tb2 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control