K2Dy4Cu4Se9
metal· JVASP-30482· K2Dy4Cu4Se9
K2Dy4Cu4Se9 is a complex quaternary intermetallic compound combining potassium, dysprosium, copper, and selenium—a research-phase material rather than an established engineering material. This compound belongs to the family of rare-earth-based selenides and represents exploratory work in functional materials where the combination of rare earth (dysprosium) and transition metal (copper) elements may enable novel electronic, magnetic, or thermoelectric properties. While not currently used in mainstream industrial applications, materials in this chemical family are investigated for next-generation energy conversion, magnetic devices, and quantum materials research.
thermoelectric devices (research)quantum materials (experimental)rare-earth functional compoundssolid-state physics researchelectronic materials development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | 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.