Sc2SO2

ceramic

· Sc2SO2

Sc2SO2 is a scandium-based ceramic compound combining scandium oxide with sulfur, representing an emerging material in the scandium ceramics family. While this specific composition is not yet widely established in commercial applications, scandium ceramics are being researched for high-temperature structural applications, thermal barrier coatings, and specialized refractory uses where their thermal stability and mechanical properties offer potential advantages over conventional oxide ceramics. Engineers would consider this material primarily in advanced research contexts or specialized industrial applications requiring the unique combination of light weight and thermal resilience that scandium-containing ceramics provide.

thermal barrier coatings (research)high-temperature structural applicationsrefractory materialsaerospace thermal protection (experimental)materials research and developmentspecialized industrial ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	21,166.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	10,371.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1355	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.085	eV	DFT · OptB88vdW
↳	2.993	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	18.37	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.702	-	DFT · OptB88vdW
↳	6.068	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.7367	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.863	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00161	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00221	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-220.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	279.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	4.740	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.277	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.

Sc2SO2 — Properties & Data | MatWorld

Sc2SO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental