KMgBi — Properties & Data | MatWorld

KMgBi

ceramic

· JVASP-35067· KMgBi

KMgBi is an intermetallic ceramic compound composed of potassium, magnesium, and bismuth, belonging to the class of ternary ionic-covalent ceramics. This material is primarily of research and development interest rather than established industrial use, investigated for potential applications in solid-state electronics, thermoelectrics, and advanced functional ceramics where the combination of these elements may offer unique electronic or thermal properties. Engineers would consider KMgBi in exploratory projects seeking lightweight, thermally stable compounds with specific electronic characteristics, though its rarity in production and limited commercialization history means it remains largely confined to academic materials research and specialized technological development programs.

thermoelectric device developmentsolid-state electronics researchfunctional ceramic compoundslightweight composite matricesexperimental phase studiesadvanced materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	22.56	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	14.07	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.487	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	0.5550	eV	DFT · OptB88vdW
↳	1.360	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	19.25	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.92	-	DFT · OptB88vdW
↳	7.946	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000287	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00346	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-44.43	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	297.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.93	%	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)	-0.5595	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.

KMgBi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental