Ag4 Hg2 S2 I4

semiconductor

· Ag4 Hg2 S2 I4

Ag₄Hg₂S₂I₄ is a mixed-halide silver mercury sulfide iodide compound belonging to the semiconductor family, likely studied as a potential photonic or optoelectronic material. This quaternary compound represents an emerging research area in solid-state chemistry where tunable bandgap and light-responsive properties are being explored; it is not currently a commercial engineering material but exemplifies the class of complex chalcohalide semiconductors under investigation for next-generation electronic and photonic devices.

experimental semiconductor researchphotonic device developmentoptoelectronic thin filmsbandgap engineeringhalide semiconductor compoundsmaterials discovery and screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	28.11	GPa	—
Shear Modulus(G)	6.207	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.169	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1900	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.

Ag4 Hg2 S2 I4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control