KBaBi — Properties & Data | MatWorld

KBaBi

ceramic

· JVASP-66686· KBaBi

KBaBi is an inorganic ceramic compound containing potassium, barium, and bismuth elements, belonging to the family of complex oxide or bismuthate ceramics. While not a commodity material, compounds in this family are of research interest for their potential in ferroelectric, dielectric, and photocatalytic applications due to the unique electronic properties that bismuth-containing oxides can provide. Engineers considering KBaBi should recognize this as a specialized, likely pre-commercial or experimental material that may offer distinctive functional properties rather than structural robustness.

ferroelectric ceramics (research)dielectric materials (experimental)photocatalytic applicationselectronic/optical devicessolid-state chemistry researchadvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	18.07	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4700	-	DFT · OptB88vdW
Shear Modulus(G)	1.600	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.721	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.024	eV	DFT · OptB88vdW
↳	1.743	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	14.53	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.349	-	DFT · OptB88vdW
↳	7.985	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1800	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.210	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.3412	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000724	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00268	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-90.12	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	376.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.50	%	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)	0.2388	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5181	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.

KBaBi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental