BiO2 — Properties & Data | MatWorld

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	40.79	GPa	DFT
↳	82.40	GPa	DFT · OptB88vdW
↳	43.12	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	22.30	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Exfoliation Energy(Eexf)	161.3	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)2 entries	0.2000	-	DFT · OptB88vdW
↳	0.2600	-	DFT · PBE
Shear Modulus(G)3 entries	23.73	GPa	DFT
↳	11.60	GPa	DFT · OptB88vdW
↳	24.59	GPa	DFT · PBE

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
Density(ρ)	8.491	kg/m³	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	0.9700	eV	DFT · OptB88vdW
↳	1.491	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	166	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.397	-	DFT · OptB88vdW
↳	6.611	-	DFT · TBmBJ
Magnetic Moment(μB)	2.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00155	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00109	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-221.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	383.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.43	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5135	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6459	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.

BiO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental