Bi2 Se3

semiconductor

· Bi2 Se3

Bi₂Se₃ is a layered chalcogenide semiconductor compound belonging to the family of topological insulators, characterized by a bismuth diselenide crystal structure with significant anisotropy between its basal planes and c-axis. This material is primarily of research and emerging technology interest, with applications in thermoelectric cooling devices, topological quantum computing, and next-generation infrared detectors, where its unique electronic band structure and strong spin-orbit coupling offer advantages over conventional semiconductors for specific niche applications.

topological quantum computingthermoelectric coolersinfrared photodetectorsspintronic devicesresearch-phase applicationshigh-frequency optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,255.2	ksi	—
Shear Modulus(G)	3,277.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.05810	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4040	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.

Bi2 Se3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control