SiRu — Properties & Data | MatWorld

SiRu

Name: SiRu
Brand: MatWorld

ceramic

· SiRu

SiRu is a ceramic compound combining silicon and ruthenium, likely explored for high-temperature structural or functional applications where both refractory and metallic properties are desirable. This is primarily a research-phase material; the SiRu family has been investigated for potential use in extreme-environment aerospace components, wear-resistant coatings, and advanced electronic devices where the combination of ceramic stability and metal-like conductivity offers advantages over conventional monolithic ceramics or metals alone.

high-temperature structural ceramicsaerospace engine componentswear and oxidation resistance coatingselectronic device contactsresearch-phase refractory materialsextreme-environment applications

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	204.5	GPa	DFT
↳	190.9	GPa	DFT · OptB88vdW
↳	204.5	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.6636	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3000	-	DFT · OptB88vdW
↳	0.2909	-	DFT · PBE
Shear Modulus(G)3 entries	99.34	GPa	DFT
↳	97.34	GPa	DFT · OptB88vdW
↳	99.34	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)	7.939	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)2 entries	0.2420	eV	DFT · OptB88vdW
↳	0.1910	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	63.15	-	DFT · OptB88vdW
↳	60.56 range 52.27–68.84median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	45.97	-	DFT · OptB88vdW
↳	57.87	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.3502	C/m²	DFT · OptB88vdW
↳	0.7521	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000995	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000633	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-106	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-27.59	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.6022	eV/atom	Measured
↳	-0.5106	eV/atom	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

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.

SiRu

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental