Ba2 Ag2 Te2 F2

semiconductor

· Ba2 Ag2 Te2 F2

Ba₂Ag₂Te₂F₂ is an experimental mixed-halide semiconductor compound combining barium, silver, tellurium, and fluorine in a layered or framework structure. This material belongs to the family of halide perovskites and related semiconductors being investigated for optoelectronic and photovoltaic applications, where the combination of heavy elements (Ba, Te) and halide ligands can produce tunable band gaps and interesting transport properties. As a research-stage compound rather than a commercialized material, it represents the broader effort to engineer stable, lead-free alternatives for solar cells, photodetectors, and other light-responsive devices.

experimental photovoltaicsphotodetector developmentoptoelectronic thin filmslead-free semiconductor researchhalide perovskite alternativessolid-state physics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	47.10	GPa	—
Shear Modulus(G)	15.24	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.641	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.068	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.

Ba2 Ag2 Te2 F2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control