K4CdAs2
ceramic· K4CdAs2
K₄CdAs₂ is a quaternary ceramic compound combining potassium, cadmium, and arsenic in a fixed stoichiometric ratio. This is a research-phase material rather than an established engineering ceramic; it belongs to the family of metal arsenide compounds that have been investigated primarily for semiconductor and optoelectronic properties. The material's potential lies in specialized applications requiring semiconducting or photonic behavior, though it remains largely confined to academic and laboratory studies rather than mainstream industrial production.
experimental semiconductorsphotonic researchoptical materials developmentcompound semiconductor researchmaterials science databaseslab-scale characterization
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.614 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6840 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 8.880 | - | — | ||
| ↳ | 7.093 range 5.415–8.771median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -78.38 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4956 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
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.