LiMgBi

semiconductor
· LiMgBi

LiMgBi is an experimental ternary semiconductor compound combining lithium, magnesium, and bismuth. This material belongs to the family of half-Heusler and related intermetallic semiconductors under active research for thermoelectric and optoelectronic applications. While not yet in mainstream commercial use, LiMgBi represents the broader class of lightweight metal-bismuth compounds being investigated for next-generation energy conversion and quantum material platforms where conventional semiconductors face limitations.

Thermoelectric devices (research)Topological quantum materialsHigh-temperature semiconductor applicationsEnergy harvesting systems (development)Optoelectronic components (experimental)Advanced material research platforms

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
4,533.8
ksi
4,674.6
ksi
Poisson's Ratio(ν)
0.2200
-
Shear Modulus(G)2 entries
3,079.3
ksi
3,248.8
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1823
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.4000
eV
0.5340
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
25.05
-
20.94
-
25.66
range 23.23–28.09median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)2 entries
0.01592
C/m²
0.2860
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-76.06
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.4803
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.
LiMgBi — Properties & Data | MatWorld