As4 Ta2

semiconductor
· As4 Ta2

As₄Ta₂ is an experimental intermetallic compound combining arsenic and tantalum in a semiconducting phase, investigated primarily in research contexts for its electronic and structural properties. This material belongs to the family of transition metal arsenides, which are studied for potential applications in thermoelectric devices, optoelectronics, and high-temperature semiconducting applications where conventional silicon or gallium-based semiconductors reach performance limits. While not yet established in mainstream industrial production, materials in this compound family are of interest to researchers developing next-generation electronic materials that can operate in demanding thermal or chemical environments.

thermoelectric devices (research)high-temperature semiconductorsoptoelectronic materials (exploratory)materials research & characterizationtransition metal compounds

Compliance & Regulations

?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.