KMgSb
ceramic· KMgSb
KMgSb is an intermetallic ceramic compound combining potassium, magnesium, and antimony, belonging to the Heusler alloy family of functional materials. This is primarily a research material explored for potential applications in thermoelectric energy conversion and quantum materials research, where its layered crystal structure and electronic properties are of interest. While not yet widely deployed in commercial products, materials in this compositional family are investigated for their potential to convert thermal gradients directly into electrical energy and for exotic electronic behavior in solid-state devices.
thermoelectric energy harvestingquantum materials researchsolid-state electronicsexperimental semiconductorsthermal-to-electric conversioncondensed matter physics applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 3,278.4 | ksi | — | ||
| ↳ | 3,731.8 | ksi | — | ||
Exfoliation Energy(Eexf) | 110.7 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G)2 entries | 2,052.6 | ksi | — | ||
| ↳ | 2,346.7 | ksi | — |
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 | |
|---|---|---|---|---|---|
Density(ρ) | 0.1170 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.403 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.97 | - | — | ||
| ↳ | 14.00 | - | — | ||
| ↳ | 10.01 range 7.601–12.41median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -141.1 | 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) | -0.6759 | 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.