BiO2
ceramic· BiO2
BiO2 is a bismuth oxide ceramic compound with a dense crystal structure. While primarily of research interest rather than established industrial production, bismuth oxide ceramics are investigated for applications requiring high-density ceramics with moderate elastic stiffness and potential photocatalytic or electronic properties. Engineers considering BiO2 would typically be working in advanced materials research or specialized applications where bismuth's unique properties—such as high atomic number, low toxicity compared to lead-based alternatives, and photocatalytic potential—offer advantages over conventional ceramics.
Photocatalytic applicationsResearch ceramicsHigh-density structural ceramicsElectronic materialsLead-free alternatives
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 43.12 | GPa | — | ||
| ↳ | 40.79 | GPa | — | ||
| ↳ | 82.40 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 22.30 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Exfoliation Energy(Eexf) | 161.3 | meV/atom | — | ||
Poisson's Ratio(ν)2 entries | 0.2600 | - | — | ||
| ↳ | 0.2000 | - | — | ||
Shear Modulus(G)3 entries | 24.59 | GPa | — | ||
| ↳ | 23.73 | GPa | — | ||
| ↳ | 11.60 | GPa | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.491 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 166 | - | — | ||
Magnetic Moment(μB) | 2.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | 33.92 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.5135 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6459 | 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.