KBeSi2 — Properties & Data | MatWorld

KBeSi2

ceramic

· JVASP-74008· KBeSi2

KBeSi₂ is a beryllium silicate ceramic compound combining potassium, beryllium, and silicon in a defined stoichiometric ratio. This material falls within the family of advanced silicate ceramics and remains largely a research compound; beryllium ceramics are explored for applications requiring low density combined with thermal and chemical stability, though processing and beryllium toxicity present significant engineering constraints. Industrial adoption is limited compared to conventional alumina or zirconia ceramics, but the material's potential lies in weight-critical aerospace and nuclear contexts where beryllium's neutron moderation and low density offer distinct advantages over traditional ceramic alternatives.

aerospace thermal applicationsneutron shielding / nuclearlightweight refractory componentsresearch ceramicsspecialty nuclear fuel matrices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.217	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4247	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.4201	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.

KBeSi2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental