Y3 F9

ceramic

· Y3 F9

Y3F9 is a yttrium fluoride-based ceramic compound, likely part of the rare-earth fluoride family known for optical transparency and thermal stability. While specific industrial standardization data is limited, fluoride ceramics of this type are investigated for applications requiring chemical inertness, low refractive index, and resistance to aggressive environments. Engineers consider such materials when conventional oxides prove inadequate due to corrosive exposure or when specialized optical or thermal properties are essential.

optical windows and lenseshigh-temperature chemical environmentsthermal barrier coatingsUV-transmissive componentsresearch and specialty applicationscorrosion-resistant insulators

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	14,996.9	ksi	DFT · OptB88vdW
Shear Modulus(G)	7,362.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.773	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-4.157	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.

Y3 F9 — Properties & Data | MatWorld

Y3 F9

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental