Er12 Rh4

semiconductor

· Er12 Rh4

Er12Rh4 is an intermetallic compound combining erbium (Er) and rhodium (Rh) in a 12:4 stoichiometric ratio, representing a rare-earth transition metal system. This material family is primarily investigated in research contexts for high-temperature structural applications and functional properties that exploit the electronic characteristics of rare-earth–precious-metal interactions. The compound's combination of refractory character (erbium's thermal stability) and rhodium's catalytic and corrosion-resistance properties makes it of interest for advanced aerospace, catalytic, and materials science studies, though industrial adoption remains limited outside specialized research environments.

high-temperature intermetallics (research)catalytic systemsrare-earth alloysaerospace/refractory coatings (experimental)functional materials researchelectronic device substrates (specialized)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5810	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.

Er12 Rh4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control