Pm2MgSi — Properties & Data | MatWorld

Pm2MgSi

ceramic

· JVASP-40937· Pm2MgSi

Pm₂MgSi is an intermetallic ceramic compound in the magnesium silicide family, combining rare-earth element promethium with magnesium and silicon. This is primarily a research material rather than a commercial engineering ceramic, studied for its potential in high-temperature structural applications and electronic/thermal applications where intermetallic compounds offer enhanced strength-to-weight ratios and thermal stability. As with most promethium-based materials, practical use is constrained by the radioactive nature and scarcity of Pm, making this composition more relevant to specialized aerospace research, nuclear thermal applications, and fundamental materials science rather than conventional industrial manufacturing.

high-temperature aerospace researchintermetallic compound studiesthermal management systemsnuclear materials researchadvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2063	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000471	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000501	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-12.54	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-12.97	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2903	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.

Pm2MgSi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental