K4 As8 F28 — Properties & Data | MatWorld

K4 As8 F28

ceramic

· K4 As8 F28

K4As8F28 is an arsenic fluoride ceramic compound, likely a specialized glass or glass-ceramic material based on its composition of potassium, arsenic, and fluorine constituents. This material family is primarily explored in research contexts for infrared optics and specialized photonic applications where arsenic fluoride glasses offer extended transparency into the mid-infrared spectrum unavailable in conventional oxide glasses. The fluoride-arsenic system is notable for its potential in thermal imaging, spectroscopy, and fiber optics where conventional materials fail, though K4As8F28 appears to be an experimental formulation rather than an established commercial product.

infrared opticsmid-IR windowsfiber optics researchthermal imaging componentsspectroscopy instrumentationspecialized photonic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.933	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.413	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

K4 As8 F28

Electrical Properties

Other Properties

Regulatory Screening

Environmental