Bi8 Se12

semiconductor

· Bi8 Se12

Bi₈Se₁₂ is a bismuth selenide compound belonging to the family of chalcogenide semiconductors, which are materials composed of heavy elements (bismuth) bonded with chalcogens (selenium). This is a research-phase material being investigated for applications requiring specific electronic and thermal properties characteristic of topological insulators and thermoelectric materials. The Bi-Se system is notable in materials science for its potential in next-generation energy conversion and quantum device applications, though practical engineering use remains limited to specialized research and development environments rather than high-volume industrial production.

thermoelectric cooling devicestopological quantum computingwaste heat recovery systemsinfrared detectorsresearch and development materialssolid-state energy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,671.8	ksi	—
Shear Modulus(G)	2,368	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9855	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3790	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.

Bi8 Se12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control