Bi4 Te2 I2

semiconductor

· Bi4 Te2 I2

Bi₄Te₂I₂ is a mixed halide-chalcogenide semiconductor compound combining bismuth, tellurium, and iodine elements. This is a research-stage material being investigated for thermoelectric and optoelectronic applications, representing an emerging class of layered semiconductors with tunable bandgaps and potential for enhanced charge carrier mobility through halide substitution.

thermoelectric devicessolid-state cooling systemsoptoelectronic sensorsmid-infrared detectorstopological material researchnext-generation semiconductor exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	23.64	GPa	—
Shear Modulus(G)	12.51	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2580	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.

Bi4 Te2 I2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control