K4YBe
ceramic· JVASP-70939· K4YBe
K4YBe is a ceramic compound in the yttrium-beryllium oxide family, likely a mixed rare-earth ceramic with potential applications in high-temperature and specialized optical/thermal contexts. This material appears to be primarily in research or development phases rather than established commodity production, positioning it within the broader family of rare-earth ceramics that balance thermal stability with low density. Engineers would consider this material where lightweight, high-temperature ceramic performance or specialized optical properties are critical and conventional oxides fall short.
High-temperature ceramicsLightweight structural applicationsOptical/laser host materialsThermal management componentsResearch/development phase materialAerospace thermal protection
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
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.