CaSi2WO6

ceramic

· JVASP-21352· CaSi2WO6

CaSi2WO6 is a calcium silicate tungstate ceramic compound belonging to the family of tungstate-based ceramics, which are typically valued for their refractory and optical properties. While this specific composition is not widely established in mainstream industrial production, tungstate ceramics are investigated for high-temperature applications and specialized optical systems where their thermal stability and dense crystal structure are advantageous. Research into calcium silicate tungstates focuses on potential use in thermal barriers, radiation-resistant materials, and specialized photonic applications where conventional oxides may be insufficient.

high-temperature refractory materialsexperimental photonic/optical systemsthermal barrier coatingsradiation-resistant ceramicsresearch and development applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1974	lb/in³	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	0.8160	eV	DFT · OptB88vdW
↳	1.014	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.517	-	DFT · OptB88vdW
↳	7.642	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000713	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000290	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-470.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	400.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.99	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3114	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.529	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.

CaSi2WO6 — Properties & Data | MatWorld

CaSi2WO6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental