Pa2 As4
semiconductor· Pa2 As4
Pa₂As₄ is a compound semiconductor composed of protactinium and arsenic, belonging to the rare transition metal arsenide family. This material is primarily of research interest rather than established industrial use, with potential applications in exotic optoelectronics, high-energy physics detector materials, and specialized semiconductor devices where unconventional band structures are desirable. Its notable characteristics within the arsenide semiconductor family—combined with the unique properties of protactinium—position it as a candidate for investigating novel electronic and thermal transport phenomena, though practical deployment remains limited by the scarcity and radioactivity of protactinium.
experimental semiconductor researchhigh-energy physics detectorsexotic optoelectronicsactinide compound materials sciencespecialized laboratory applications
Compliance & Regulations
?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 16,318.3 | ksi | — | ||
Shear Modulus(G) | 8,915 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.00100 | eV | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.9530 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
Quality & Standards
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.