Er2CoSi2

metal

· JVASP-151556· Er2CoSi2

Er₂CoSi₂ is an intermetallic compound combining erbium (a rare-earth element), cobalt, and silicon. This material is primarily of research and developmental interest rather than established production use, belonging to a family of rare-earth transition-metal silicides being investigated for high-temperature structural and functional applications. The compound is notable for its potential in advanced aerospace and energy systems where thermal stability, oxidation resistance, and controlled magnetic or electronic properties are critical, though it remains largely in the experimental phase compared to conventional superalloys and ceramic matrix composites.

high-temperature structural applicationsrare-earth intermetallics (research)aerospace materials developmentthermal barrier coatings (candidate)magnetic and electronic device research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2951	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00280	eV/atom	—
Formation Energy(ΔHf)	-0.7653	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.

Er2CoSi2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control