Sr2Si5N8 — Properties & Data | MatWorld

Sr2Si5N8

ceramic

· JVASP-22438· Sr2Si5N8

Sr2Si5N8 is a strontium silicon nitride ceramic compound belonging to the family of rare-earth and alkaline-earth metal nitrides, which are engineered for high-temperature structural applications. This material is primarily of research and development interest for advanced ceramic applications where thermal stability, hardness, and chemical resistance are critical; it represents an emerging class of non-oxide ceramics being investigated as an alternative to traditional silicon nitride systems for extreme-environment components. The incorporation of strontium into the silicon nitride matrix may offer tailored thermal expansion, oxidation resistance, and potential sintering advantages relevant to aerospace and power-generation sectors.

high-temperature ceramicsturbine engine componentsthermal barrier coatingsresearch and development materialsrefractory applicationsadvanced composite reinforcement

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1382	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.293	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.612	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00117	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-312.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	314.1	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.320	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.

Sr2Si5N8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental