Mg3Os

ceramic

· JVASP-99472· Mg3Os

Mg3Os is an intermetallic ceramic compound combining magnesium and osmium, belonging to the family of refractory metal ceramics. This material is primarily of research and development interest rather than established in high-volume industrial production, with potential applications in extreme-environment systems where both low density (from magnesium) and high-temperature stability (from osmium) are simultaneously required. The compound represents an exploratory approach to developing lightweight refractory materials for aerospace and thermal management applications, though engineering adoption remains limited pending further characterization and manufacturing scale-up.

high-temperature refractory systemsaerospace thermal barriersresearch-phase compoundlightweight refractory applicationsextreme environment components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2270	lb/in³	DFT · OptB88vdW

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

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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	0.00223	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00230	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-23.10	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-23.55	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)	0.09430	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.09425	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.

Mg3Os — Properties & Data | MatWorld

Mg3Os

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental