KAgSe

metal
· KAgSe

KAgSe is an intermetallic compound composed of potassium, silver, and selenium that belongs to the class of layered metal chalcogenides. This is primarily a research material studied for its potential in electronic and photonic applications, particularly in contexts where two-dimensional or quasi-2D behavior is desirable; it is not currently produced at commercial scale for industrial applications. The material's layered crystal structure and relatively low exfoliation energy suggest promise for applications in thermoelectric devices, optoelectronic components, or as a precursor phase in advanced semiconductor research, though practical engineering adoption remains limited to specialized academic and exploratory industrial R&D settings.

experimental thermoelectric materialslayered semiconductor researchphotonic device developmentexfoliable materials for 2D applicationsmetal chalcogenide systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Exfoliation Energy(Eexf)
meV/atom
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
-
-
median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
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
PropertyValueUnitConditionsSource
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.
KAgSe — Properties & Data | MatWorld