Mg2 Si1

semiconductor

· Mg2 Si1

Mg2Si is an intermetallic compound combining magnesium and silicon, belonging to the semiconductor/thermoelectric materials family. It is primarily investigated for thermoelectric power generation and waste-heat recovery applications where the combination of lightweight magnesium content and semiconductor properties offers potential advantages in efficiency and thermal management. While not yet widely commercialized like established semiconductors, Mg2Si and related Mg-Si compounds are actively researched as alternatives to lead-based thermoelectrics, particularly for automotive and industrial heating systems where cost and environmental concerns drive material substitution.

thermoelectric power generationwaste heat recoveryautomotive thermal managementlightweight semiconductorsresearch/development materialsenvironmental alternatives to lead-based compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,977.1	ksi	—
Shear Modulus(G)	6,613.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1116	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2140	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.

Mg2 Si1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control