BaMg2Bi2

Name: BaMg2Bi2
Brand: MatWorld

ceramic

· JVASP-4053· BaMg2Bi2

BaMg₂Bi₂ is an intermetallic ceramic compound belonging to the ternary barium-magnesium-bismuth system, representing an emerging class of materials studied for their electronic and thermal transport properties. This is primarily a research-phase material investigated for potential applications in thermoelectric devices and solid-state electronics, where the combination of heavy bismuth atoms and mixed-valence behavior offers opportunities for tuning carrier concentration and phonon scattering. While not yet widely commercialized, materials in this compositional family are of interest to materials scientists exploring alternatives to conventional thermoelectric compounds and functional ceramics for next-generation energy conversion and sensing applications.

thermoelectric devices (research stage)solid-state electronicsfunctional ceramicsphonon engineeringquantum materials researchenergy conversion materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,940	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	3,288	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2096	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5960	eV	DFT · OptB88vdW
↳	1.151	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	22.62	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.80	-	DFT · OptB88vdW
↳	11.02	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1067	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4867	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	0.00361	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00234	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-176.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	206	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.83	%	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)	-0.6897	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.

BaMg2Bi2 — Properties & Data | MatWorld

BaMg2Bi2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental