Bi4 Te2 I2

Name: Bi4 Te2 I2
Brand: MatWorld

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)	3,429.3	ksi	DFT · OptB88vdW
Shear Modulus(G)	1,814	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01220	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2580	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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 — Properties & Data | MatWorld

Bi4 Te2 I2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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