ScSi

ceramic
· ScSi

ScSi is a ceramic compound combining scandium and silicon, belonging to the transition-metal silicide family. This material is primarily of research and development interest rather than a mature commercial ceramic, investigated for its potential in high-temperature structural applications and electronic device contexts. Scandium silicides are notable for their combination of ceramic hardness with metallic electrical properties, making them candidates for specialized environments where conventional ceramics or metals alone are inadequate.

High-temperature structural applicationsRefractory coatingsElectronic/semiconductor interfacesResearch materialsThermal barrier systemsAdvanced ceramic composites

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
14,696.2
ksi
14,696.2
ksi
14,644.5
ksi
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
0.6359
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi
Poisson's Ratio(ν)2 entries
0.2184
-
0.2300
-
Shear Modulus(G)3 entries
10,189.4
ksi
10,189.4
ksi
10,471.7
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1201
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-3.290
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)2 entries
-0.8530
eV/atom
-0.8174
eV/atom
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.
Verified Unverified Low confidence (<80%) Link to source

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.