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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 76.80 | GPa | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G) | 54.84 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.931 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.
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.