KBiO2 — Properties & Data | MatWorld

KBiO2

ceramic

· KBiO2

KBiO₂ is a potassium bismuth oxide ceramic compound belonging to the family of bismuth-based oxides, which are of growing interest in materials research for their unique electronic and structural properties. This material is primarily investigated in academic and research settings for potential applications in photocatalysis, ion-conductivity systems, and functional ceramics rather than as an established industrial commodity. Engineers considering this material should recognize it as an advanced ceramic suitable for exploratory projects in energy conversion, catalytic systems, or specialized electronic applications where bismuth oxide's properties—such as its optical and ionic characteristics—offer advantages over conventional alternatives.

photocatalytic applicationsceramic research materialsion-conducting systemsfunctional oxide ceramicsexploratory energy materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,855.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	3,164.7	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.2220	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	2.002	eV	DFT · OptB88vdW
↳	3.309	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	20.81	-	DFT · OptB88vdW
↳	8.694 range 4.464–12.92median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.980	-	DFT · OptB88vdW
↳	3.656	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.023	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.867	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00115	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00149	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-181.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	278	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.220	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.544	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.

KBiO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental