KEr2CuSe4

metal
· JVASP-153666· KEr2CuSe4

KEr2CuSe4 is a ternary intermetallic compound combining potassium, erbium, copper, and selenium elements, representing an emerging material in solid-state chemistry rather than a conventional industrial alloy. This compound falls within the research domain of mixed-metal chalcogenides and has potential relevance to thermoelectric devices, semiconductor applications, and materials with tunable electronic properties—areas where rare-earth elements and selenium-based compounds are actively investigated. Engineers would consider such materials when conventional copper alloys or semiconductors cannot meet specific performance requirements in niche applications requiring unusual band structure or phonon-scattering behavior.

thermoelectric materials (research)semiconductor compounds (experimental)rare-earth intermetallic researchsolid-state electronic devicesthermal management (emerging applications)materials research & development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.2204
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.9890
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-1.583
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.