ScSi2 — Properties & Data | MatWorld

ScSi2

ceramic

· JVASP-4406· ScSi2

Scandium disilicide (ScSi2) is an intermetallic ceramic compound combining scandium and silicon, belonging to the family of refractory silicides. This material is primarily of research interest for high-temperature structural applications where exceptional hardness and chemical stability are required, though it remains less developed commercially than more established silicides like MoSi2 or WSi2.

high-temperature structural ceramicsrefractory coatingsaerospace research applicationswear-resistant componentsmaterials research and developmentextreme environment protection

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	90.10	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.08000	-	DFT · OptB88vdW
Shear Modulus(G)	9.480	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.256	kg/m³	DFT · OptB88vdW

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Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000632	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000671	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-8.727	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-9.017	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.2323	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3142	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.

ScSi2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental