Ba2AsGaSe5

semiconductor

· Ba2AsGaSe5

Ba2AsGaSe5 is a quaternary semiconductor compound belonging to the chalcogenide family, combining barium, arsenic, gallium, and selenium elements in a layered crystal structure. This material is primarily studied in research contexts for infrared (IR) and nonlinear optical applications, where its wide bandgap and optical transparency in the mid-to-far IR spectrum make it a candidate for detecting and manipulating thermal radiation and generating coherent light across wavelengths inaccessible to conventional semiconductors. While not yet widely commercialized, compounds in this ternary-quaternary chalcogenide class are valued in specialized photonics and sensing because they can be engineered for specific optical windows, offering alternatives to fragile or toxic materials like arsenic sulfides or mercury-based systems.

infrared optics and sensingnonlinear optical devicesthermal imaging componentsresearch semiconductorsmid-IR spectroscopy

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.390	eV	—

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.

Ba2AsGaSe5

Electrical Properties

Regulatory Screening

Environmental

Export Control