NaMnSb — Properties & Data | MatWorld

NaMnSb

metal

· JVASP-17893· NaMnSb

NaMnSb is an intermetallic compound belonging to the half-Heusler family of materials, composed of sodium, manganese, and antimony in a crystalline structure. This material is primarily of research and development interest rather than established production use, investigated for potential applications in thermoelectric devices and magnetic systems where the interplay between its electronic and magnetic properties offers opportunities for energy conversion or advanced electronic functionality. Engineers consider half-Heusler intermetallics like NaMnSb when seeking materials that combine metallic bonding with tunable electronic band structures, though practical adoption remains limited and material processing, scalability, and long-term stability are active areas of study.

thermoelectric energy conversion (research phase)magnetic materials and spintronicssolid-state physics experimentationelectronic device semiconductors (emerging)high-temperature stability studiesmaterials research and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,510.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	2,016	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1673	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	7.668	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000136	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000130	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.060	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.047	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)	0.1553	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.09702	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

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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.

NaMnSb

Mechanical Properties

Physical Properties

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