Mg2Si0.993Bi0.007

ceramic

· Mg2Si0.993Bi0.007

Mg2Si0.993Bi0.007 is a magnesium silicide-based ceramic compound with bismuth doping, belonging to the Mg2Si family of intermetallic ceramics. This is a research-phase material engineered to modify the thermoelectric and thermal properties of baseline magnesium silicide for potential high-temperature energy conversion applications. The bismuth substitution on the silicon sublattice is designed to scatter phonons and reduce thermal conductivity while maintaining electrical performance, making it relevant for thermoelectric generators and waste-heat recovery systems where the balance between phonon and electron transport is critical.

Thermoelectric generatorsWaste heat recoveryHigh-temperature energy conversionResearch/development materialsPhonon engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	5.680	W/(m·K)	—
↳	5.680	W/(m·K)	127°C

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
Electrical Conductivity(σ)	2,873.6	S/cm	127°C
Electrical Resistivity(ρe)	0.00000348	Ω·m	127°C
Thermoelectric Power Factor(PF)	0.00178	W/(m·K²)	127°C
Seebeck Coefficient(S)	-78.60	μV/K	127°C
Thermoelectric Figure of Merit(zT)	0.1250	-	127°C

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

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.

Mg2Si0.993Bi0.007

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental