SmGaSb2 — Properties & Data | MatWorld

SmGaSb2

ceramic

· JVASP-15972· SmGaSb2

SmGaSb2 is a ternary compound ceramic composed of samarium, gallium, and antimony, belonging to the rare-earth pnictide family. This is a research-phase material studied for potential optoelectronic and thermoelectric applications, particularly in mid-infrared device engineering and high-temperature energy conversion systems. SmGaSb2 and related rare-earth antimonides are notable for their tunable band gaps and thermal stability, making them candidates where conventional semiconductors face performance limits, though commercial adoption remains limited compared to established alternatives like GaAs or InSb.

mid-infrared optoelectronicsthermoelectric generatorshigh-temperature semiconductorsresearch-phase materialsrare-earth compoundsinfrared detector windows

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.262	kg/m³	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	0.00625	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00592	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-29.66	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-30.01	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)	0.03110	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6526	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.

SmGaSb2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental