K4 Cu2 Sb2
semiconductor· K4 Cu2 Sb2
K4Cu2Sb2 is a ternary intermetallic semiconductor compound combining potassium, copper, and antimony elements. This material belongs to the family of complex metallic semiconductors and represents a research-phase compound being investigated for electronic and thermoelectric applications where unconventional crystal structures and mixed-valence chemistry offer potential advantages over conventional binary semiconductors. Engineers would evaluate this material for niche applications requiring specific bandgap properties, phonon-scattering behavior, or integration into device structures where its distinct electronic structure provides performance benefits unavailable from common semiconductor alternatives.
thermoelectric devices (research phase)solid-state electronics (experimental)low-thermal-conductivity semiconductorsquantum materials researchadvanced optoelectronics (developmental)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.