Ba8Ga18Ge28
ceramic· Ba8Ga18Ge28
Ba8Ga18Ge28 is a clathrate compound—a crystalline ceramic material with a cage-like crystal structure that traps barium atoms within a framework of gallium and germanium. This is an experimental material primarily investigated for thermoelectric applications, where its unique atomic structure can scatter phonons effectively while maintaining reasonable electrical conductivity. The material represents a family of clathrate compounds being developed as alternatives to traditional thermoelectric materials, particularly for waste heat recovery and solid-state cooling systems where the intrinsic thermal insulation combined with electronic transport properties offers advantages over conventional semiconductors.
thermoelectric power generationwaste heat recoverysolid-state cooling systemshigh-temperature thermal barriersresearch and developmentenergy harvesting devices
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Thermal Conductivity(k)2 entries | — | W/(m·K) | — | — | |
| ↳ | — | W/(m·K) | 427°C | — |
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 | |
|---|---|---|---|---|---|
Electrical Conductivity(σ) | — | S/cm | 427°C | — | |
Electrical Resistivity(ρe) | — | Ω·m | 427°C | — | |
Thermoelectric Power Factor(PF) | — | W/(m·K²) | 427°C | — | |
Seebeck Coefficient(S) | — | μV/K | 427°C | — | |
Thermoelectric Figure of Merit(zT) | — | - | 427°C | — |
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.