Pr1 Re4 Si2

semiconductor

· Pr1 Re4 Si2

Pr₁Re₄Si₂ is an intermetallic compound combining praseodymium, rhenium, and silicon, belonging to the family of rare-earth transition-metal silicides. This is primarily a research material studied for its potential in high-temperature structural applications and electronic devices, where the combination of rare-earth and refractory metal elements offers thermal stability and potential electronic functionality. The material remains largely experimental; its adoption in industry depends on further development of processing methods and validation of performance in demanding environments.

High-temperature structural researchRare-earth intermetallic compoundsAerospace/turbine applications (exploratory)Electronic device researchMaterials science investigationRefractory alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	167.4	GPa	—
Shear Modulus(G)	104.8	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02270	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3830	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.

Pr1 Re4 Si2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control