Al4 Sc2

semiconductor

· Al4 Sc2

Al₄Sc₂ is an intermetallic compound combining aluminum with scandium, classified as a semiconductor material within the Al-Sc phase diagram. This is primarily a research-phase material studied for its potential in advanced aerospace and high-temperature applications, where scandium's addition to aluminum-based systems is known to enhance strength and thermal stability compared to conventional aluminum alloys.

aerospace researchhigh-temperature structural compositesintermetallic matrix compositesmaterials researchscandium alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	86.93	GPa	—
Shear Modulus(G)	66.80	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.05480	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5020	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.

Al4 Sc2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control