In4 Bi2

semiconductor

· In4 Bi2

In₄Bi₂ is a narrow-bandgap semiconductor compound from the indium-bismuth system, belonging to the family of III-V and related binary semiconductors. This material is primarily of research and development interest for infrared optoelectronics and thermoelectric applications, where its low bandgap and narrow energy structure enable detection or emission in the mid-to-far infrared spectral range. In₄Bi₂ represents an alternative to more established indium antimonide (InSb) and indium arsenide (InAs) systems, potentially offering tunable bandgap properties for specialized sensing and imaging applications where cost or performance trade-offs with conventional materials are advantageous.

infrared sensors and detectorsthermoelectric devicesnarrow-bandgap semiconductorsresearch optoelectronicsthermal imaginglow-temperature applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00100	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.04700	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.

In4 Bi2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control