Y2SO2

ceramic

· Y2SO2

Y2SO2 is a rare-earth sulfate-based ceramic compound containing yttrium, representing a specialized class of ionic ceramics with potential applications in high-temperature and corrosion-resistant environments. This material appears to be primarily a research compound rather than an established commercial ceramic, belonging to the family of rare-earth oxysulfides and sulfates that are being investigated for advanced refractory, electronic, or optical applications. Engineers would consider Y2SO2 when conventional ceramics face limitations in specific chemical environments or when its rare-earth composition offers unique thermal, electrical, or luminescent properties not available in standard alternatives.

Advanced refractoriesHigh-temperature ceramicsResearch/experimental compoundsCorrosion-resistant coatingsRare-earth ceramic applicationsSpecialized thermal barriers

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17,902	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	9,964.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1757	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)	3.038	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)3 entries	14.18	-	DFT · OptB88vdW
↳	15.09	-	DFT · PBE
↳	9.436 range 5.216–13.66median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.404	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00740	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.464	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.

Y2SO2 — Properties & Data | MatWorld

Y2SO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental