SmAs

semiconductor

· SmAs

SmAs is a III-V compound semiconductor formed from samarium and arsenic, belonging to the rare-earth pnictide family of materials. This material is primarily of research interest for advanced optoelectronic and thermoelectric applications, where rare-earth semiconductors offer potential advantages in high-temperature operation and specialized band structure engineering. SmAs represents an emerging class of materials being investigated for next-generation device architectures where conventional semiconductors reach performance limits, though industrial adoption remains limited compared to mainstream GaAs or InP platforms.

Experimental optoelectronicsHigh-temperature semiconductorsThermoelectric devicesResearch-phase photonicsRare-earth semiconductor compoundsAdvanced device engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,138.9	ksi	—
Poisson's Ratio(ν)	0.2300	-	—
Shear Modulus(G)	7,953.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2865	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.030	eV	—
↳	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	7.607	µV/K	—

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4594	eV/atom	—
Formation Energy(ΔHf)	-1.121	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.

SmAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control