Si2Ru — Properties & Data | MatWorld

Si2Ru

Name: Si2Ru
Brand: MatWorld

ceramic

· Si2Ru

Si2Ru is a silicide ceramic compound combining silicon and ruthenium, belonging to the refractory metal silicide family. While not a widespread commodity material, silicides of this type are researched for high-temperature structural applications where their combination of ceramic hardness and metallic thermal conductivity offers potential advantages over monolithic ceramics or traditional superalloys. Engineers investigating Si2Ru would typically be working on advanced aerospace, nuclear, or extreme-environment applications where conventional materials reach their thermal or chemical limits.

high-temperature structural componentsrefractory applicationsaerospace propulsion researchnuclear reactor materialswear-resistant coatingsresearch/development phase

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	166.6	GPa	DFT · OptB88vdW
↳	184.6	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.07022	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2600	-	DFT · OptB88vdW
↳	0.2548	-	DFT · PBE
Shear Modulus(G)2 entries	95.58	GPa	DFT · OptB88vdW
↳	108.2	GPa	DFT · PBE

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
Density(ρ)	5.888	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	Measured
↳	0.5670	eV	DFT · OptB88vdW
↳	0.6370	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	21.49	-	DFT · OptB88vdW
↳	21.07	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000732	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00173	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-142.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	213	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.93	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1148	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2938	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.

Si2Ru

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental