Ba2GeTe2Se2

ceramic

· JVASP-85234· Ba2GeTe2Se2

Ba₂GeTe₂Se₂ is a mixed-chalcogenide ceramic compound combining barium, germanium, tellurium, and selenium in a layered crystal structure. This is a research-stage material being investigated for optoelectronic and thermoelectric applications, where the combination of heavy elements and adjustable band gaps offers potential advantages over conventional semiconductors. The material family is of particular interest for mid-infrared photonics and solid-state energy conversion, though industrial adoption remains limited and ongoing studies focus on synthesis optimization and property characterization.

Mid-infrared optics and detectorsThermoelectric power generationResearch and developmentPhotonic materialsSemiconductor compoundsBand gap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1893	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6600	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00430	eV/atom	—
Formation Energy(ΔHf)	-1.280	eV/atom	—

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

Regulatory Screening

Environmental

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.

Ba2GeTe2Se2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental