NaBiSe2
semiconductor· NaBiSe2
NaBiSe₂ is a ternary semiconductor compound combining sodium, bismuth, and selenium in a layered crystal structure, belonging to the family of mixed-metal chalcogenides. This is primarily a research material under investigation for next-generation optoelectronic and thermoelectric applications, with potential advantages in bandgap tuning and thermal properties compared to binary semiconductors. The material shows promise in contexts where bismuth-based compounds are valued for their spin-orbit coupling effects and environmental stability relative to lead-based alternatives.
thermoelectric energy conversiontopological insulator researchinfrared photodetectorssolar cells (experimental)photovoltaic devicesspintronic materials development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,264.9 | ksi | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 4,370 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2223 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.3500 | eV | — | ||
| ↳ | 0.2800 | eV | — | ||
| ↳ | 0.02200 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -166.6 | 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) | 0.1176 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6828 | 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.