As1 Pa1

semiconductor

· As1 Pa1

As₁Pa₁ is an experimental binary semiconductor compound composed of arsenic and protactinium, representing a research-phase material rather than a commercially established alloy. This compound belongs to the broader family of transition metal pnictide semiconductors, which are of interest for potential optoelectronic and high-temperature applications, though practical deployment remains limited to specialized laboratory investigations. The material's significance lies in fundamental materials science exploration of rare-earth and actinide-based semiconductors, where such compounds may offer unique electronic or thermal properties for future advanced device platforms.

research semiconductorsactinide compoundsexperimental optoelectronicshigh-temperature electronics (theoretical)materials science R&Drare compound exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	121.7	GPa	—
Shear Modulus(G)	65.20	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00340	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.066	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.

As1 Pa1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control