FeCu2GeSe4

metal
· JVASP-90718· FeCu2GeSe4

FeCu2GeSe4 is a quaternary iron-copper-germanium-selenium compound belonging to the chalcogenide family of semiconductors. This is an experimental research material rather than an established commercial alloy, synthesized primarily for investigating thermoelectric and optoelectronic properties in the iron-copper-germanium-selenium system. While not yet deployed in production applications, compounds in this family are of interest to researchers exploring alternatives to conventional thermoelectric materials for waste heat recovery and solid-state cooling, as well as potential semiconductor applications where the combination of elements offers tunable electronic and thermal transport properties.

thermoelectric energy conversion (research)waste heat recovery systems (exploratory)semiconducting compounds (laboratory)optoelectronic device researchmaterials discovery and screening

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
8,725.5
ksi
Poisson's Ratio(ν)
0.3400
-
Shear Modulus(G)
3,293.8
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1932
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
3.658
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.05950
eV/atom
Formation Energy(ΔHf)
-0.2121
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.