Ca5 Al5 Si5

semiconductor

· Ca5 Al5 Si5

Ca5Al5Si5 is an intermetallic compound combining calcium, aluminum, and silicon in equiatomic proportions, belonging to the class of ternary intermetallics with potential semiconductor or mixed-valence electronic character. This composition sits at the intersection of lightweight structural metals (Al, Ca) and semiconducting/ceramic-forming elements (Si), making it primarily a research material rather than a production commodity. Interest in this compound centers on fundamental solid-state chemistry, potential applications in high-temperature ceramics or advanced alloys, and exploration of ternary phase diagrams in the Ca-Al-Si system, though industrial adoption remains limited pending discovery of compelling performance advantages over established alternatives.

Materials research and phase diagram mappingHigh-temperature intermetallic compoundsSemiconductor and electronic materials explorationLightweight structural composite precursorsExperimental metallurgy and solid-state synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00130	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4720	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.

Ca5 Al5 Si5

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control