KCaBi — Properties & Data | MatWorld

KCaBi

ceramic

· KCaBi

KCaBi is a ceramic compound containing potassium, calcium, and bismuth elements, likely an experimental or specialized material developed for specific functional applications. While not widely established in mainstream industrial use, ceramics in this compositional family are typically investigated for their potential in electrical, thermal, or structural applications where bismuth-containing phases offer unique properties such as ferroelectric behavior, ion conductivity, or enhanced thermal stability.

experimental ceramicselectrical/ferroelectric applicationssolid electrolyteshigh-temperature materials researchspecialized functional ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	18.41	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	9.790	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.961	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	1.098	eV	DFT · OptB88vdW
↳	1.890	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	14.98	-	DFT · OptB88vdW
↳	14.75	-	DFT · PBE
↳	10.52 range 7.094–13.94median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.160	-	DFT · OptB88vdW
↳	6.253	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2167	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.707	me	DFT · OptB88vdW · 27°C
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000686	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00134	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-84.92	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	372.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.40	%	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)	-0.7827	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.

KCaBi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental