BeSiOs2

Name: BeSiOs2
Brand: MatWorld

ceramic

· BeSiOs2

BeSiO₂ is a beryllium silicate ceramic compound combining beryllium oxide with silica in a mixed-oxide structure. While not commonly encountered in mainstream industrial production, this material belongs to the beryllium ceramics family, which is valued in specialized aerospace and nuclear applications for their combination of low density, high thermal conductivity, and excellent neutron transparency. The beryllium silicate composition may offer intermediate properties between pure beryllia and silicate ceramics, though this appears to be primarily a research or specialized compound rather than a widely commercialized engineering material.

aerospace thermal managementnuclear reactor componentsresearch ceramicsneutron moderators/reflectorshigh-performance refractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5158	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	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00112	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00112	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	8.670	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	8.640	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)	-0.2293	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.

BeSiOs2 — Properties & Data | MatWorld

BeSiOs2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental